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Finding the Fourth Proportional to 171,593.68, 236,799.12 and 96,142.72

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Solution

The fourth proportional to 171,593.68, 236,799.12 and 96,142.72 is: 132,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,593.68 : 236,799.12 = 96,142.72 : x
  2. Step 2: Convert to fraction form
    171,593.68/236,799.12 = 96,142.72/x
  3. Step 3: Cross multiply
    171,593.68x = 236,799.12 × 96,142.72
  4. Step 4: Simplify right side
    171,593.68x = 22,766,511,490.41
  5. Step 5: Solve for x
    x = 22,766,511,490.41/171,593.68
  6. Step 6: Final answer
    x = 132,676.86

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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.