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Finding the Fourth Proportional to 87,907.60, 131,760.22 and 43,563.48

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Solution

The fourth proportional to 87,907.60, 131,760.22 and 43,563.48 is: 65,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,907.60 : 131,760.22 = 43,563.48 : x
  2. Step 2: Convert to fraction form
    87,907.60/131,760.22 = 43,563.48/x
  3. Step 3: Cross multiply
    87,907.60x = 131,760.22 × 43,563.48
  4. Step 4: Simplify right side
    87,907.60x = 5,739,933,708.77
  5. Step 5: Solve for x
    x = 5,739,933,708.77/87,907.60
  6. Step 6: Final answer
    x = 65,295.08

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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.