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Finding the Fourth Proportional to 238,175.60, 357,259.72 and 80,514.76

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Solution

The fourth proportional to 238,175.60, 357,259.72 and 80,514.76 is: 120,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,175.60 : 357,259.72 = 80,514.76 : x
  2. Step 2: Convert to fraction form
    238,175.60/357,259.72 = 80,514.76/x
  3. Step 3: Cross multiply
    238,175.60x = 357,259.72 × 80,514.76
  4. Step 4: Simplify right side
    238,175.60x = 28,764,680,613.47
  5. Step 5: Solve for x
    x = 28,764,680,613.47/238,175.60
  6. Step 6: Final answer
    x = 120,770.90

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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.