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Finding the Fourth Proportional to 172,650.46, 259,217.99 and 88,471.11

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Solution

The fourth proportional to 172,650.46, 259,217.99 and 88,471.11 is: 132,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,650.46 : 259,217.99 = 88,471.11 : x
  2. Step 2: Convert to fraction form
    172,650.46/259,217.99 = 88,471.11/x
  3. Step 3: Cross multiply
    172,650.46x = 259,217.99 × 88,471.11
  4. Step 4: Simplify right side
    172,650.46x = 22,933,303,307.27
  5. Step 5: Solve for x
    x = 22,933,303,307.27/172,650.46
  6. Step 6: Final answer
    x = 132,830.83

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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.