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Finding the Fourth Proportional to 102,000.78, 140,761.13 and 59,551.11

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Solution

The fourth proportional to 102,000.78, 140,761.13 and 59,551.11 is: 82,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,000.78 : 140,761.13 = 59,551.11 : x
  2. Step 2: Convert to fraction form
    102,000.78/140,761.13 = 59,551.11/x
  3. Step 3: Cross multiply
    102,000.78x = 140,761.13 × 59,551.11
  4. Step 4: Simplify right side
    102,000.78x = 8,382,481,238.60
  5. Step 5: Solve for x
    x = 8,382,481,238.60/102,000.78
  6. Step 6: Final answer
    x = 82,180.56

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