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Finding the Fourth Proportional to 168,550.91, 252,862.86 and 50,231.78

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Solution

The fourth proportional to 168,550.91, 252,862.86 and 50,231.78 is: 75,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,550.91 : 252,862.86 = 50,231.78 : x
  2. Step 2: Convert to fraction form
    168,550.91/252,862.86 = 50,231.78/x
  3. Step 3: Cross multiply
    168,550.91x = 252,862.86 × 50,231.78
  4. Step 4: Simplify right side
    168,550.91x = 12,701,751,553.69
  5. Step 5: Solve for x
    x = 12,701,751,553.69/168,550.91
  6. Step 6: Final answer
    x = 75,358.55

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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.