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Finding the Fourth Proportional to 172,723.92, 259,161.24 and 60,484.70

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Solution

The fourth proportional to 172,723.92, 259,161.24 and 60,484.70 is: 90,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,723.92 : 259,161.24 = 60,484.70 : x
  2. Step 2: Convert to fraction form
    172,723.92/259,161.24 = 60,484.70/x
  3. Step 3: Cross multiply
    172,723.92x = 259,161.24 × 60,484.70
  4. Step 4: Simplify right side
    172,723.92x = 15,675,288,557.22
  5. Step 5: Solve for x
    x = 15,675,288,557.22/172,723.92
  6. Step 6: Final answer
    x = 90,753.43

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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.