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Finding the Fourth Proportional to 172,672.75, 258,530.83 and 88,251.13

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Solution

The fourth proportional to 172,672.75, 258,530.83 and 88,251.13 is: 132,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,672.75 : 258,530.83 = 88,251.13 : x
  2. Step 2: Convert to fraction form
    172,672.75/258,530.83 = 88,251.13/x
  3. Step 3: Cross multiply
    172,672.75x = 258,530.83 × 88,251.13
  4. Step 4: Simplify right side
    172,672.75x = 22,815,637,989.87
  5. Step 5: Solve for x
    x = 22,815,637,989.87/172,672.75
  6. Step 6: Final answer
    x = 132,132.24

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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.