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Finding the Fourth Proportional to 269,793.80, 404,730.67 and 89,820.44

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Solution

The fourth proportional to 269,793.80, 404,730.67 and 89,820.44 is: 134,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,793.80 : 404,730.67 = 89,820.44 : x
  2. Step 2: Convert to fraction form
    269,793.80/404,730.67 = 89,820.44/x
  3. Step 3: Cross multiply
    269,793.80x = 404,730.67 × 89,820.44
  4. Step 4: Simplify right side
    269,793.80x = 36,353,086,860.89
  5. Step 5: Solve for x
    x = 36,353,086,860.89/269,793.80
  6. Step 6: Final answer
    x = 134,743.97

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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.