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Finding the Fourth Proportional to 91,471.80, 137,149.14 and 41,499.96

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Solution

The fourth proportional to 91,471.80, 137,149.14 and 41,499.96 is: 62,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,471.80 : 137,149.14 = 41,499.96 : x
  2. Step 2: Convert to fraction form
    91,471.80/137,149.14 = 41,499.96/x
  3. Step 3: Cross multiply
    91,471.80x = 137,149.14 × 41,499.96
  4. Step 4: Simplify right side
    91,471.80x = 5,691,683,824.03
  5. Step 5: Solve for x
    x = 5,691,683,824.03/91,471.80
  6. Step 6: Final answer
    x = 62,223.37

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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.