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Finding the Fourth Proportional to 324,298.38, 486,397.66 and 108,160.92

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Solution

The fourth proportional to 324,298.38, 486,397.66 and 108,160.92 is: 162,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,298.38 : 486,397.66 = 108,160.92 : x
  2. Step 2: Convert to fraction form
    324,298.38/486,397.66 = 108,160.92/x
  3. Step 3: Cross multiply
    324,298.38x = 486,397.66 × 108,160.92
  4. Step 4: Simplify right side
    324,298.38x = 52,609,218,323.85
  5. Step 5: Solve for x
    x = 52,609,218,323.85/324,298.38
  6. Step 6: Final answer
    x = 162,224.73

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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.