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Finding the Fourth Proportional to 124,562.88, 171,897.12 and 74,260.80

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Solution

The fourth proportional to 124,562.88, 171,897.12 and 74,260.80 is: 102,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562.88 : 171,897.12 = 74,260.80 : x
  2. Step 2: Convert to fraction form
    124,562.88/171,897.12 = 74,260.80/x
  3. Step 3: Cross multiply
    124,562.88x = 171,897.12 × 74,260.80
  4. Step 4: Simplify right side
    124,562.88x = 12,765,217,648.90
  5. Step 5: Solve for x
    x = 12,765,217,648.90/124,562.88
  6. Step 6: Final answer
    x = 102,480.11

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