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Finding the Fourth Proportional to 82,520.91, 123,761.45 and 38,104.97

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Solution

The fourth proportional to 82,520.91, 123,761.45 and 38,104.97 is: 57,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,520.91 : 123,761.45 = 38,104.97 : x
  2. Step 2: Convert to fraction form
    82,520.91/123,761.45 = 38,104.97/x
  3. Step 3: Cross multiply
    82,520.91x = 123,761.45 × 38,104.97
  4. Step 4: Simplify right side
    82,520.91x = 4,715,926,339.41
  5. Step 5: Solve for x
    x = 4,715,926,339.41/82,520.91
  6. Step 6: Final answer
    x = 57,148.26

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