Determine all triples $(x, y, z)$ of positive real numbers which satisfies the following system of equations
\[2x^3=2y(x^2+1)-(z^2+1), \] \[ 2y^4=3z(y^2+1)-2(x^2+1), \] \[ 2z^5=4x(z^2+1)-3(y^2+1).\]
To determine all triples \((x, y, z)\) of positive real numbers that satisfy the given system of equations, we will analyze each equation step-by-step and use logical deductions to find the solution.

Given system of equations:
\[ 2x^3 = 2y(x^2 + 1) - (z^2 + 1), \]
\[ 2y^4 = 3z(y^2 + 1) - 2(x^2 + 1), \]
\[ 2z^5 = 4x(z^2 + 1) - 3(y^2 + 1). \]

1. **Analyzing the first equation:**
   \[ 2x^3 = 2y(x^2 + 1) - (z^2 + 1). \]
   Rearrange to:
   \[ 2x^3 - 2y(x^2 + 1) + (z^2 + 1) = 0. \]
   This can be rewritten as:
   \[ 2(x^3 - yx^2 - y + \frac{z^2 + 1}{2}) = 0. \]
   Simplifying further:
   \[ x^3 - yx^2 - y + \frac{z^2 + 1}{2} = 0. \]

2. **Analyzing the second equation:**
   \[ 2y^4 = 3z(y^2 + 1) - 2(x^2 + 1). \]
   Rearrange to:
   \[ 2y^4 - 3z(y^2 + 1) + 2(x^2 + 1) = 0. \]
   This can be rewritten as:
   \[ 2(y^4 - \frac{3z(y^2 + 1)}{2} + x^2 + 1) = 0. \]
   Simplifying further:
   \[ y^4 - \frac{3z(y^2 + 1)}{2} + x^2 + 1 = 0. \]

3. **Analyzing the third equation:**
   \[ 2z^5 = 4x(z^2 + 1) - 3(y^2 + 1). \]
   Rearrange to:
   \[ 2z^5 - 4x(z^2 + 1) + 3(y^2 + 1) = 0. \]
   This can be rewritten as:
   \[ 2(z^5 - 2x(z^2 + 1) + \frac{3(y^2 + 1)}{2}) = 0. \]
   Simplifying further:
   \[ z^5 - 2x(z^2 + 1) + \frac{3(y^2 + 1)}{2} = 0. \]

4. **Considering the symmetry and possible values:**
   Let's assume \(x = y = z\). Substituting \(x = y = z\) into the equations:
   - First equation:
     \[ 2x^3 = 2x(x^2 + 1) - (x^2 + 1). \]
     Simplifying:
     \[ 2x^3 = 2x^3 + 2x - x^2 - 1. \]
     \[ 0 = 2x - x^2 - 1. \]
     \[ x^2 - 2x + 1 = 0. \]
     \[ (x - 1)^2 = 0. \]
     \[ x = 1. \]

   - Second equation:
     \[ 2y^4 = 3y(y^2 + 1) - 2(y^2 + 1). \]
     Simplifying:
     \[ 2y^4 = 3y^3 + 3y - 2y^2 - 2. \]
     Substituting \(y = 1\):
     \[ 2(1)^4 = 3(1)^3 + 3(1) - 2(1)^2 - 2. \]
     \[ 2 = 3 + 3 - 2 - 2. \]
     \[ 2 = 2. \]
     This holds true.

   - Third equation:
     \[ 2z^5 = 4z(z^2 + 1) - 3(z^2 + 1). \]
     Simplifying:
     \[ 2z^5 = 4z^3 + 4z - 3z^2 - 3. \]
     Substituting \(z = 1\):
     \[ 2(1)^5 = 4(1)^3 + 4(1) - 3(1)^2 - 3. \]
     \[ 2 = 4 + 4 - 3 - 3. \]
     \[ 2 = 2. \]
     This holds true.

Since \(x = y = z = 1\) satisfies all three equations, we conclude that the only solution is \(x = y = z = 1\).

The final answer is \(\boxed{(1, 1, 1)}\).