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Finding the Fourth Proportional to 150,540.89, 225,811.43 and 38,229.53

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Solution

The fourth proportional to 150,540.89, 225,811.43 and 38,229.53 is: 57,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,540.89 : 225,811.43 = 38,229.53 : x
  2. Step 2: Convert to fraction form
    150,540.89/225,811.43 = 38,229.53/x
  3. Step 3: Cross multiply
    150,540.89x = 225,811.43 × 38,229.53
  4. Step 4: Simplify right side
    150,540.89x = 8,632,663,517.32
  5. Step 5: Solve for x
    x = 8,632,663,517.32/150,540.89
  6. Step 6: Final answer
    x = 57,344.31

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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.