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Finding the Fourth Proportional to 87,800.88, 131,675.88 and 62,631.60

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Solution

The fourth proportional to 87,800.88, 131,675.88 and 62,631.60 is: 93,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,800.88 : 131,675.88 = 62,631.60 : x
  2. Step 2: Convert to fraction form
    87,800.88/131,675.88 = 62,631.60/x
  3. Step 3: Cross multiply
    87,800.88x = 131,675.88 × 62,631.60
  4. Step 4: Simplify right side
    87,800.88x = 8,247,071,045.81
  5. Step 5: Solve for x
    x = 8,247,071,045.81/87,800.88
  6. Step 6: Final answer
    x = 93,929.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.