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Finding the Fourth Proportional to 168,101.60, 231,879.10 and 132,234.80

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Solution

The fourth proportional to 168,101.60, 231,879.10 and 132,234.80 is: 182,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,101.60 : 231,879.10 = 132,234.80 : x
  2. Step 2: Convert to fraction form
    168,101.60/231,879.10 = 132,234.80/x
  3. Step 3: Cross multiply
    168,101.60x = 231,879.10 × 132,234.80
  4. Step 4: Simplify right side
    168,101.60x = 30,662,486,412.68
  5. Step 5: Solve for x
    x = 30,662,486,412.68/168,101.60
  6. Step 6: Final answer
    x = 182,404.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.