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Finding the Fourth Proportional to 172,630.95, 238,229.98 and 96,150.96

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Solution

The fourth proportional to 172,630.95, 238,229.98 and 96,150.96 is: 132,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,630.95 : 238,229.98 = 96,150.96 : x
  2. Step 2: Convert to fraction form
    172,630.95/238,229.98 = 96,150.96/x
  3. Step 3: Cross multiply
    172,630.95x = 238,229.98 × 96,150.96
  4. Step 4: Simplify right side
    172,630.95x = 22,906,040,144.04
  5. Step 5: Solve for x
    x = 22,906,040,144.04/172,630.95
  6. Step 6: Final answer
    x = 132,687.91

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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.