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Finding the Fourth Proportional to 87,595.73, 120,872.30 and 49,354.44

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Solution

The fourth proportional to 87,595.73, 120,872.30 and 49,354.44 is: 68,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,595.73 : 120,872.30 = 49,354.44 : x
  2. Step 2: Convert to fraction form
    87,595.73/120,872.30 = 49,354.44/x
  3. Step 3: Cross multiply
    87,595.73x = 120,872.30 × 49,354.44
  4. Step 4: Simplify right side
    87,595.73x = 5,965,584,595.54
  5. Step 5: Solve for x
    x = 5,965,584,595.54/87,595.73
  6. Step 6: Final answer
    x = 68,103.60

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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.