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Finding the Fourth Proportional to 73,471.38, 110,239.65 and 41,880.30

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Solution

The fourth proportional to 73,471.38, 110,239.65 and 41,880.30 is: 62,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,471.38 : 110,239.65 = 41,880.30 : x
  2. Step 2: Convert to fraction form
    73,471.38/110,239.65 = 41,880.30/x
  3. Step 3: Cross multiply
    73,471.38x = 110,239.65 × 41,880.30
  4. Step 4: Simplify right side
    73,471.38x = 4,616,869,613.90
  5. Step 5: Solve for x
    x = 4,616,869,613.90/73,471.38
  6. Step 6: Final answer
    x = 62,839.02

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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.