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Finding the Fourth Proportional to 124,251.36, 171,468.86 and 67,662.73

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Solution

The fourth proportional to 124,251.36, 171,468.86 and 67,662.73 is: 93,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,251.36 : 171,468.86 = 67,662.73 : x
  2. Step 2: Convert to fraction form
    124,251.36/171,468.86 = 67,662.73/x
  3. Step 3: Cross multiply
    124,251.36x = 171,468.86 × 67,662.73
  4. Step 4: Simplify right side
    124,251.36x = 11,602,051,177.59
  5. Step 5: Solve for x
    x = 11,602,051,177.59/124,251.36
  6. Step 6: Final answer
    x = 93,375.65

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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.