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Finding the Fourth Proportional to 268,169.14, 402,168.23 and 88,213.44

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Solution

The fourth proportional to 268,169.14, 402,168.23 and 88,213.44 is: 132,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,169.14 : 402,168.23 = 88,213.44 : x
  2. Step 2: Convert to fraction form
    268,169.14/402,168.23 = 88,213.44/x
  3. Step 3: Cross multiply
    268,169.14x = 402,168.23 × 88,213.44
  4. Step 4: Simplify right side
    268,169.14x = 35,476,643,735.28
  5. Step 5: Solve for x
    x = 35,476,643,735.28/268,169.14
  6. Step 6: Final answer
    x = 132,292.04

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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.