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Finding the Fourth Proportional to 87,063.96, 120,097.37 and 54,747.44

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Solution

The fourth proportional to 87,063.96, 120,097.37 and 54,747.44 is: 75,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,063.96 : 120,097.37 = 54,747.44 : x
  2. Step 2: Convert to fraction form
    87,063.96/120,097.37 = 54,747.44/x
  3. Step 3: Cross multiply
    87,063.96x = 120,097.37 × 54,747.44
  4. Step 4: Simplify right side
    87,063.96x = 6,575,023,912.57
  5. Step 5: Solve for x
    x = 6,575,023,912.57/87,063.96
  6. Step 6: Final answer
    x = 75,519.46

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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.