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Finding the Fourth Proportional to 67,414.78, 101,122.17 and 63,259.48

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Solution

The fourth proportional to 67,414.78, 101,122.17 and 63,259.48 is: 94,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,414.78 : 101,122.17 = 63,259.48 : x
  2. Step 2: Convert to fraction form
    67,414.78/101,122.17 = 63,259.48/x
  3. Step 3: Cross multiply
    67,414.78x = 101,122.17 × 63,259.48
  4. Step 4: Simplify right side
    67,414.78x = 6,396,935,068.76
  5. Step 5: Solve for x
    x = 6,396,935,068.76/67,414.78
  6. Step 6: Final answer
    x = 94,889.21

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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.