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Finding the Fourth Proportional to 250,843.28, 375,968.28 and 110,307.92

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Solution

The fourth proportional to 250,843.28, 375,968.28 and 110,307.92 is: 165,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,843.28 : 375,968.28 = 110,307.92 : x
  2. Step 2: Convert to fraction form
    250,843.28/375,968.28 = 110,307.92/x
  3. Step 3: Cross multiply
    250,843.28x = 375,968.28 × 110,307.92
  4. Step 4: Simplify right side
    250,843.28x = 41,472,278,952.78
  5. Step 5: Solve for x
    x = 41,472,278,952.78/250,843.28
  6. Step 6: Final answer
    x = 165,331.43

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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.