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Finding the Fourth Proportional to 168,545.40, 252,490.05 and 93,531.30

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Solution

The fourth proportional to 168,545.40, 252,490.05 and 93,531.30 is: 140,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,545.40 : 252,490.05 = 93,531.30 : x
  2. Step 2: Convert to fraction form
    168,545.40/252,490.05 = 93,531.30/x
  3. Step 3: Cross multiply
    168,545.40x = 252,490.05 × 93,531.30
  4. Step 4: Simplify right side
    168,545.40x = 23,615,722,613.57
  5. Step 5: Solve for x
    x = 23,615,722,613.57/168,545.40
  6. Step 6: Final answer
    x = 140,114.90

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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.