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Finding the Fourth Proportional to 172,732.74, 259,108.38 and 54,413.34

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Solution

The fourth proportional to 172,732.74, 259,108.38 and 54,413.34 is: 81,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,732.74 : 259,108.38 = 54,413.34 : x
  2. Step 2: Convert to fraction form
    172,732.74/259,108.38 = 54,413.34/x
  3. Step 3: Cross multiply
    172,732.74x = 259,108.38 × 54,413.34
  4. Step 4: Simplify right side
    172,732.74x = 14,098,952,377.79
  5. Step 5: Solve for x
    x = 14,098,952,377.79/172,732.74
  6. Step 6: Final answer
    x = 81,622.93

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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.