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Finding the Fourth Proportional to 67,414.28, 101,121.41 and 63,258.98

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Solution

The fourth proportional to 67,414.28, 101,121.41 and 63,258.98 is: 94,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,414.28 : 101,121.41 = 63,258.98 : x
  2. Step 2: Convert to fraction form
    67,414.28/101,121.41 = 63,258.98/x
  3. Step 3: Cross multiply
    67,414.28x = 101,121.41 × 63,258.98
  4. Step 4: Simplify right side
    67,414.28x = 6,396,836,905.30
  5. Step 5: Solve for x
    x = 6,396,836,905.30/67,414.28
  6. Step 6: Final answer
    x = 94,888.46

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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.