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Finding the Fourth Proportional to 132,589.73, 198,864.86 and 43,843.70

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Solution

The fourth proportional to 132,589.73, 198,864.86 and 43,843.70 is: 65,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.73 : 198,864.86 = 43,843.70 : x
  2. Step 2: Convert to fraction form
    132,589.73/198,864.86 = 43,843.70/x
  3. Step 3: Cross multiply
    132,589.73x = 198,864.86 × 43,843.70
  4. Step 4: Simplify right side
    132,589.73x = 8,718,971,540.33
  5. Step 5: Solve for x
    x = 8,718,971,540.33/132,589.73
  6. Step 6: Final answer
    x = 65,759.03

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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.