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Finding the Fourth Proportional to 71,550.38, 107,343.70 and 50,531.49

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Solution

The fourth proportional to 71,550.38, 107,343.70 and 50,531.49 is: 75,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,550.38 : 107,343.70 = 50,531.49 : x
  2. Step 2: Convert to fraction form
    71,550.38/107,343.70 = 50,531.49/x
  3. Step 3: Cross multiply
    71,550.38x = 107,343.70 × 50,531.49
  4. Step 4: Simplify right side
    71,550.38x = 5,424,237,103.11
  5. Step 5: Solve for x
    x = 5,424,237,103.11/71,550.38
  6. Step 6: Final answer
    x = 75,810.04

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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.