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Finding the Fourth Proportional to 132,589.44, 198,815.04 and 62,449.92

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Solution

The fourth proportional to 132,589.44, 198,815.04 and 62,449.92 is: 93,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.44 : 198,815.04 = 62,449.92 : x
  2. Step 2: Convert to fraction form
    132,589.44/198,815.04 = 62,449.92/x
  3. Step 3: Cross multiply
    132,589.44x = 198,815.04 × 62,449.92
  4. Step 4: Simplify right side
    132,589.44x = 12,415,983,342.80
  5. Step 5: Solve for x
    x = 12,415,983,342.80/132,589.44
  6. Step 6: Final answer
    x = 93,642.32

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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.