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Finding the Fourth Proportional to 80,403.66, 110,956.32 and 44,593.74

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Solution

The fourth proportional to 80,403.66, 110,956.32 and 44,593.74 is: 61,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,403.66 : 110,956.32 = 44,593.74 : x
  2. Step 2: Convert to fraction form
    80,403.66/110,956.32 = 44,593.74/x
  3. Step 3: Cross multiply
    80,403.66x = 110,956.32 × 44,593.74
  4. Step 4: Simplify right side
    80,403.66x = 4,947,957,285.44
  5. Step 5: Solve for x
    x = 4,947,957,285.44/80,403.66
  6. Step 6: Final answer
    x = 61,538.96

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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.