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Finding the Fourth Proportional to 180,687.36, 271,131.48 and 80,843.52

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Solution

The fourth proportional to 180,687.36, 271,131.48 and 80,843.52 is: 121,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,687.36 : 271,131.48 = 80,843.52 : x
  2. Step 2: Convert to fraction form
    180,687.36/271,131.48 = 80,843.52/x
  3. Step 3: Cross multiply
    180,687.36x = 271,131.48 × 80,843.52
  4. Step 4: Simplify right side
    180,687.36x = 21,919,223,226.01
  5. Step 5: Solve for x
    x = 21,919,223,226.01/180,687.36
  6. Step 6: Final answer
    x = 121,310.22

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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.