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Finding the Fourth Proportional to 162,502.20, 243,753.30 and 83,770.20

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Solution

The fourth proportional to 162,502.20, 243,753.30 and 83,770.20 is: 125,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,502.20 : 243,753.30 = 83,770.20 : x
  2. Step 2: Convert to fraction form
    162,502.20/243,753.30 = 83,770.20/x
  3. Step 3: Cross multiply
    162,502.20x = 243,753.30 × 83,770.20
  4. Step 4: Simplify right side
    162,502.20x = 20,419,262,691.66
  5. Step 5: Solve for x
    x = 20,419,262,691.66/162,502.20
  6. Step 6: Final answer
    x = 125,655.30

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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.