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Finding the Fourth Proportional to 218,613.60, 327,920.46 and 168,766.46

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Solution

The fourth proportional to 218,613.60, 327,920.46 and 168,766.46 is: 253,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,613.60 : 327,920.46 = 168,766.46 : x
  2. Step 2: Convert to fraction form
    218,613.60/327,920.46 = 168,766.46/x
  3. Step 3: Cross multiply
    218,613.60x = 327,920.46 × 168,766.46
  4. Step 4: Simplify right side
    218,613.60x = 55,341,975,195.77
  5. Step 5: Solve for x
    x = 55,341,975,195.77/218,613.60
  6. Step 6: Final answer
    x = 253,149.74

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1.5x scale

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.