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Finding the Fourth Proportional to 172,651.46, 259,219.49 and 88,472.11

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Solution

The fourth proportional to 172,651.46, 259,219.49 and 88,472.11 is: 132,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,651.46 : 259,219.49 = 88,472.11 : x
  2. Step 2: Convert to fraction form
    172,651.46/259,219.49 = 88,472.11/x
  3. Step 3: Cross multiply
    172,651.46x = 259,219.49 × 88,472.11
  4. Step 4: Simplify right side
    172,651.46x = 22,933,695,233.42
  5. Step 5: Solve for x
    x = 22,933,695,233.42/172,651.46
  6. Step 6: Final answer
    x = 132,832.33

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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.