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Finding the Fourth Proportional to 80,426.92, 110,985.24 and 44,613.76

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Solution

The fourth proportional to 80,426.92, 110,985.24 and 44,613.76 is: 61,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,426.92 : 110,985.24 = 44,613.76 : x
  2. Step 2: Convert to fraction form
    80,426.92/110,985.24 = 44,613.76/x
  3. Step 3: Cross multiply
    80,426.92x = 110,985.24 × 44,613.76
  4. Step 4: Simplify right side
    80,426.92x = 4,951,468,860.90
  5. Step 5: Solve for x
    x = 4,951,468,860.90/80,426.92
  6. Step 6: Final answer
    x = 61,564.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.