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Finding the Fourth Proportional to 269,793.40, 404,690.10 and 92,273.80

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Solution

The fourth proportional to 269,793.40, 404,690.10 and 92,273.80 is: 138,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,793.40 : 404,690.10 = 92,273.80 : x
  2. Step 2: Convert to fraction form
    269,793.40/404,690.10 = 92,273.80/x
  3. Step 3: Cross multiply
    269,793.40x = 404,690.10 × 92,273.80
  4. Step 4: Simplify right side
    269,793.40x = 37,342,293,349.38
  5. Step 5: Solve for x
    x = 37,342,293,349.38/269,793.40
  6. Step 6: Final answer
    x = 138,410.70

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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.