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Finding the Fourth Proportional to 80,392.28, 110,947.98 and 44,593.86

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Solution

The fourth proportional to 80,392.28, 110,947.98 and 44,593.86 is: 61,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,392.28 : 110,947.98 = 44,593.86 : x
  2. Step 2: Convert to fraction form
    80,392.28/110,947.98 = 44,593.86/x
  3. Step 3: Cross multiply
    80,392.28x = 110,947.98 × 44,593.86
  4. Step 4: Simplify right side
    80,392.28x = 4,947,598,687.40
  5. Step 5: Solve for x
    x = 4,947,598,687.40/80,392.28
  6. Step 6: Final answer
    x = 61,543.21

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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.