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Finding the Fourth Proportional to 168,613.52, 252,919.92 and 50,281.88

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Solution

The fourth proportional to 168,613.52, 252,919.92 and 50,281.88 is: 75,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,613.52 : 252,919.92 = 50,281.88 : x
  2. Step 2: Convert to fraction form
    168,613.52/252,919.92 = 50,281.88/x
  3. Step 3: Cross multiply
    168,613.52x = 252,919.92 × 50,281.88
  4. Step 4: Simplify right side
    168,613.52x = 12,717,289,067.05
  5. Step 5: Solve for x
    x = 12,717,289,067.05/168,613.52
  6. Step 6: Final answer
    x = 75,422.71

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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.