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Finding the Fourth Proportional to 71,366.30, 106,976.55 and 41,768.90

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Solution

The fourth proportional to 71,366.30, 106,976.55 and 41,768.90 is: 62,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.30 : 106,976.55 = 41,768.90 : x
  2. Step 2: Convert to fraction form
    71,366.30/106,976.55 = 41,768.90/x
  3. Step 3: Cross multiply
    71,366.30x = 106,976.55 × 41,768.90
  4. Step 4: Simplify right side
    71,366.30x = 4,468,292,819.30
  5. Step 5: Solve for x
    x = 4,468,292,819.30/71,366.30
  6. Step 6: Final answer
    x = 62,610.68

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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.