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Finding the Fourth Proportional to 221,570.10, 332,414.55 and 88,543.80

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Solution

The fourth proportional to 221,570.10, 332,414.55 and 88,543.80 is: 132,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,570.10 : 332,414.55 = 88,543.80 : x
  2. Step 2: Convert to fraction form
    221,570.10/332,414.55 = 88,543.80/x
  3. Step 3: Cross multiply
    221,570.10x = 332,414.55 × 88,543.80
  4. Step 4: Simplify right side
    221,570.10x = 29,433,247,432.29
  5. Step 5: Solve for x
    x = 29,433,247,432.29/221,570.10
  6. Step 6: Final answer
    x = 132,839.44

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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.