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Finding the Fourth Proportional to 73,600.80, 110,449.56 and 40,344.39

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Solution

The fourth proportional to 73,600.80, 110,449.56 and 40,344.39 is: 60,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,600.80 : 110,449.56 = 40,344.39 : x
  2. Step 2: Convert to fraction form
    73,600.80/110,449.56 = 40,344.39/x
  3. Step 3: Cross multiply
    73,600.80x = 110,449.56 × 40,344.39
  4. Step 4: Simplify right side
    73,600.80x = 4,456,020,123.97
  5. Step 5: Solve for x
    x = 4,456,020,123.97/73,600.80
  6. Step 6: Final answer
    x = 60,543.09

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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.