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Finding the Fourth Proportional to 80,311.92, 110,829.15 and 44,501.82

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Solution

The fourth proportional to 80,311.92, 110,829.15 and 44,501.82 is: 61,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.92 : 110,829.15 = 44,501.82 : x
  2. Step 2: Convert to fraction form
    80,311.92/110,829.15 = 44,501.82/x
  3. Step 3: Cross multiply
    80,311.92x = 110,829.15 × 44,501.82
  4. Step 4: Simplify right side
    80,311.92x = 4,932,098,884.05
  5. Step 5: Solve for x
    x = 4,932,098,884.05/80,311.92
  6. Step 6: Final answer
    x = 61,411.79

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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.