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Finding the Fourth Proportional to 87,954.64, 131,899.02 and 35,346.22

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Solution

The fourth proportional to 87,954.64, 131,899.02 and 35,346.22 is: 53,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,954.64 : 131,899.02 = 35,346.22 : x
  2. Step 2: Convert to fraction form
    87,954.64/131,899.02 = 35,346.22/x
  3. Step 3: Cross multiply
    87,954.64x = 131,899.02 × 35,346.22
  4. Step 4: Simplify right side
    87,954.64x = 4,662,131,778.70
  5. Step 5: Solve for x
    x = 4,662,131,778.70/87,954.64
  6. Step 6: Final answer
    x = 53,006.09

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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.