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Finding the Fourth Proportional to 269,793.90, 404,690.85 and 92,274.30

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Solution

The fourth proportional to 269,793.90, 404,690.85 and 92,274.30 is: 138,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,793.90 : 404,690.85 = 92,274.30 : x
  2. Step 2: Convert to fraction form
    269,793.90/404,690.85 = 92,274.30/x
  3. Step 3: Cross multiply
    269,793.90x = 404,690.85 × 92,274.30
  4. Step 4: Simplify right side
    269,793.90x = 37,342,564,900.16
  5. Step 5: Solve for x
    x = 37,342,564,900.16/269,793.90
  6. Step 6: Final answer
    x = 138,411.45

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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.