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Finding the Fourth Proportional to 124,874.10, 187,311.15 and 71,511.30

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Solution

The fourth proportional to 124,874.10, 187,311.15 and 71,511.30 is: 107,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,874.10 : 187,311.15 = 71,511.30 : x
  2. Step 2: Convert to fraction form
    124,874.10/187,311.15 = 71,511.30/x
  3. Step 3: Cross multiply
    124,874.10x = 187,311.15 × 71,511.30
  4. Step 4: Simplify right side
    124,874.10x = 13,394,863,841.00
  5. Step 5: Solve for x
    x = 13,394,863,841.00/124,874.10
  6. Step 6: Final answer
    x = 107,266.95

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