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Finding the Fourth Proportional to 87,658.80, 131,609.88 and 44,994.57

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Solution

The fourth proportional to 87,658.80, 131,609.88 and 44,994.57 is: 67,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,658.80 : 131,609.88 = 44,994.57 : x
  2. Step 2: Convert to fraction form
    87,658.80/131,609.88 = 44,994.57/x
  3. Step 3: Cross multiply
    87,658.80x = 131,609.88 × 44,994.57
  4. Step 4: Simplify right side
    87,658.80x = 5,921,729,958.35
  5. Step 5: Solve for x
    x = 5,921,729,958.35/87,658.80
  6. Step 6: Final answer
    x = 67,554.31

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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.