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Finding the Fourth Proportional to 72,080.52, 108,131.10 and 22,164.80

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Solution

The fourth proportional to 72,080.52, 108,131.10 and 22,164.80 is: 33,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,080.52 : 108,131.10 = 22,164.80 : x
  2. Step 2: Convert to fraction form
    72,080.52/108,131.10 = 22,164.80/x
  3. Step 3: Cross multiply
    72,080.52x = 108,131.10 × 22,164.80
  4. Step 4: Simplify right side
    72,080.52x = 2,396,704,205.28
  5. Step 5: Solve for x
    x = 2,396,704,205.28/72,080.52
  6. Step 6: Final answer
    x = 33,250.37

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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.