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Finding the Fourth Proportional to 52,361.28, 78,186.21 and 50,942.43

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Solution

The fourth proportional to 52,361.28, 78,186.21 and 50,942.43 is: 76,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,361.28 : 78,186.21 = 50,942.43 : x
  2. Step 2: Convert to fraction form
    52,361.28/78,186.21 = 50,942.43/x
  3. Step 3: Cross multiply
    52,361.28x = 78,186.21 × 50,942.43
  4. Step 4: Simplify right side
    52,361.28x = 3,982,995,529.89
  5. Step 5: Solve for x
    x = 3,982,995,529.89/52,361.28
  6. Step 6: Final answer
    x = 76,067.57

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