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Finding the Fourth Proportional to 172,773.92, 259,235.76 and 84,104.48

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Solution

The fourth proportional to 172,773.92, 259,235.76 and 84,104.48 is: 126,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,773.92 : 259,235.76 = 84,104.48 : x
  2. Step 2: Convert to fraction form
    172,773.92/259,235.76 = 84,104.48/x
  3. Step 3: Cross multiply
    172,773.92x = 259,235.76 × 84,104.48
  4. Step 4: Simplify right side
    172,773.92x = 21,802,888,792.20
  5. Step 5: Solve for x
    x = 21,802,888,792.20/172,773.92
  6. Step 6: Final answer
    x = 126,193.17

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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.