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Finding the Fourth Proportional to 132,229.88, 198,357.42 and 43,484.12

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Solution

The fourth proportional to 132,229.88, 198,357.42 and 43,484.12 is: 65,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,229.88 : 198,357.42 = 43,484.12 : x
  2. Step 2: Convert to fraction form
    132,229.88/198,357.42 = 43,484.12/x
  3. Step 3: Cross multiply
    132,229.88x = 198,357.42 × 43,484.12
  4. Step 4: Simplify right side
    132,229.88x = 8,625,397,854.17
  5. Step 5: Solve for x
    x = 8,625,397,854.17/132,229.88
  6. Step 6: Final answer
    x = 65,230.32

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1.5x scale

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.