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Finding the Fourth Proportional to 269,592.38, 404,353.43 and 80,048.93

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Solution

The fourth proportional to 269,592.38, 404,353.43 and 80,048.93 is: 120,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,592.38 : 404,353.43 = 80,048.93 : x
  2. Step 2: Convert to fraction form
    269,592.38/404,353.43 = 80,048.93/x
  3. Step 3: Cross multiply
    269,592.38x = 404,353.43 × 80,048.93
  4. Step 4: Simplify right side
    269,592.38x = 32,368,060,023.97
  5. Step 5: Solve for x
    x = 32,368,060,023.97/269,592.38
  6. Step 6: Final answer
    x = 120,062.97

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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.