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Finding the Fourth Proportional to 172,687.77, 258,553.35 and 88,266.13

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Solution

The fourth proportional to 172,687.77, 258,553.35 and 88,266.13 is: 132,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,687.77 : 258,553.35 = 88,266.13 : x
  2. Step 2: Convert to fraction form
    172,687.77/258,553.35 = 88,266.13/x
  3. Step 3: Cross multiply
    172,687.77x = 258,553.35 × 88,266.13
  4. Step 4: Simplify right side
    172,687.77x = 22,821,502,956.65
  5. Step 5: Solve for x
    x = 22,821,502,956.65/172,687.77
  6. Step 6: Final answer
    x = 132,154.71

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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.