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Finding the Fourth Proportional to 168,488.74, 252,806.95 and 88,508.16

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Solution

The fourth proportional to 168,488.74, 252,806.95 and 88,508.16 is: 132,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,488.74 : 252,806.95 = 88,508.16 : x
  2. Step 2: Convert to fraction form
    168,488.74/252,806.95 = 88,508.16/x
  3. Step 3: Cross multiply
    168,488.74x = 252,806.95 × 88,508.16
  4. Step 4: Simplify right side
    168,488.74x = 22,375,477,979.71
  5. Step 5: Solve for x
    x = 22,375,477,979.71/168,488.74
  6. Step 6: Final answer
    x = 132,801.03

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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.