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Finding the Fourth Proportional to 67,224.60, 100,832.82 and 29,773.68

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Solution

The fourth proportional to 67,224.60, 100,832.82 and 29,773.68 is: 44,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,224.60 : 100,832.82 = 29,773.68 : x
  2. Step 2: Convert to fraction form
    67,224.60/100,832.82 = 29,773.68/x
  3. Step 3: Cross multiply
    67,224.60x = 100,832.82 × 29,773.68
  4. Step 4: Simplify right side
    67,224.60x = 3,002,164,116.18
  5. Step 5: Solve for x
    x = 3,002,164,116.18/67,224.60
  6. Step 6: Final answer
    x = 44,658.71

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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.