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Finding the Fourth Proportional to 271,193.20, 406,785.44 and 84,204.88

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Solution

The fourth proportional to 271,193.20, 406,785.44 and 84,204.88 is: 126,305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,193.20 : 406,785.44 = 84,204.88 : x
  2. Step 2: Convert to fraction form
    271,193.20/406,785.44 = 84,204.88/x
  3. Step 3: Cross multiply
    271,193.20x = 406,785.44 × 84,204.88
  4. Step 4: Simplify right side
    271,193.20x = 34,253,319,160.95
  5. Step 5: Solve for x
    x = 34,253,319,160.95/271,193.20
  6. Step 6: Final answer
    x = 126,305.97

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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.