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Finding the Fourth Proportional to 172,952.20, 259,233.90 and 88,679.80

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Solution

The fourth proportional to 172,952.20, 259,233.90 and 88,679.80 is: 132,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,952.20 : 259,233.90 = 88,679.80 : x
  2. Step 2: Convert to fraction form
    172,952.20/259,233.90 = 88,679.80/x
  3. Step 3: Cross multiply
    172,952.20x = 259,233.90 × 88,679.80
  4. Step 4: Simplify right side
    172,952.20x = 22,988,810,405.22
  5. Step 5: Solve for x
    x = 22,988,810,405.22/172,952.20
  6. Step 6: Final answer
    x = 132,920.02

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1.5x scale

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.