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Finding the Fourth Proportional to 71,366.70, 106,934.85 and 59,616.30

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Solution

The fourth proportional to 71,366.70, 106,934.85 and 59,616.30 is: 89,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.70 : 106,934.85 = 59,616.30 : x
  2. Step 2: Convert to fraction form
    71,366.70/106,934.85 = 59,616.30/x
  3. Step 3: Cross multiply
    71,366.70x = 106,934.85 × 59,616.30
  4. Step 4: Simplify right side
    71,366.70x = 6,375,060,098.06
  5. Step 5: Solve for x
    x = 6,375,060,098.06/71,366.70
  6. Step 6: Final answer
    x = 89,328.22

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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.