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Finding the Fourth Proportional to 163,187.73, 244,584.77 and 84,258.90

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Solution

The fourth proportional to 163,187.73, 244,584.77 and 84,258.90 is: 126,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,187.73 : 244,584.77 = 84,258.90 : x
  2. Step 2: Convert to fraction form
    163,187.73/244,584.77 = 84,258.90/x
  3. Step 3: Cross multiply
    163,187.73x = 244,584.77 × 84,258.90
  4. Step 4: Simplify right side
    163,187.73x = 20,608,443,255.66
  5. Step 5: Solve for x
    x = 20,608,443,255.66/163,187.73
  6. Step 6: Final answer
    x = 126,286.72

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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.