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Finding the Fourth Proportional to 124,251.40, 171,468.89 and 67,662.73

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Solution

The fourth proportional to 124,251.40, 171,468.89 and 67,662.73 is: 93,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,251.40 : 171,468.89 = 67,662.73 : x
  2. Step 2: Convert to fraction form
    124,251.40/171,468.89 = 67,662.73/x
  3. Step 3: Cross multiply
    124,251.40x = 171,468.89 × 67,662.73
  4. Step 4: Simplify right side
    124,251.40x = 11,602,053,207.47
  5. Step 5: Solve for x
    x = 11,602,053,207.47/124,251.40
  6. Step 6: Final answer
    x = 93,375.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.