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Finding the Fourth Proportional to 82,142.56, 123,226.52 and 34,757.91

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Solution

The fourth proportional to 82,142.56, 123,226.52 and 34,757.91 is: 52,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,142.56 : 123,226.52 = 34,757.91 : x
  2. Step 2: Convert to fraction form
    82,142.56/123,226.52 = 34,757.91/x
  3. Step 3: Cross multiply
    82,142.56x = 123,226.52 × 34,757.91
  4. Step 4: Simplify right side
    82,142.56x = 4,283,096,117.98
  5. Step 5: Solve for x
    x = 4,283,096,117.98/82,142.56
  6. Step 6: Final answer
    x = 52,142.23

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