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Finding the Fourth Proportional to 150,449.40, 225,341.33 and 61,432.97

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Solution

The fourth proportional to 150,449.40, 225,341.33 and 61,432.97 is: 92,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,449.40 : 225,341.33 = 61,432.97 : x
  2. Step 2: Convert to fraction form
    150,449.40/225,341.33 = 61,432.97/x
  3. Step 3: Cross multiply
    150,449.40x = 225,341.33 × 61,432.97
  4. Step 4: Simplify right side
    150,449.40x = 13,843,385,731.78
  5. Step 5: Solve for x
    x = 13,843,385,731.78/150,449.40
  6. Step 6: Final answer
    x = 92,013.57

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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.