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Finding the Fourth Proportional to 71,176.39, 106,755.87 and 44,524.72

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Solution

The fourth proportional to 71,176.39, 106,755.87 and 44,524.72 is: 66,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.39 : 106,755.87 = 44,524.72 : x
  2. Step 2: Convert to fraction form
    71,176.39/106,755.87 = 44,524.72/x
  3. Step 3: Cross multiply
    71,176.39x = 106,755.87 × 44,524.72
  4. Step 4: Simplify right side
    71,176.39x = 4,753,275,220.11
  5. Step 5: Solve for x
    x = 4,753,275,220.11/71,176.39
  6. Step 6: Final answer
    x = 66,781.63

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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.