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Finding the Fourth Proportional to 87,167.89, 130,751.84 and 60,923.89

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Solution

The fourth proportional to 87,167.89, 130,751.84 and 60,923.89 is: 91,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,167.89 : 130,751.84 = 60,923.89 : x
  2. Step 2: Convert to fraction form
    87,167.89/130,751.84 = 60,923.89/x
  3. Step 3: Cross multiply
    87,167.89x = 130,751.84 × 60,923.89
  4. Step 4: Simplify right side
    87,167.89x = 7,965,910,412.84
  5. Step 5: Solve for x
    x = 7,965,910,412.84/87,167.89
  6. Step 6: Final answer
    x = 91,385.84

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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.