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Finding the Fourth Proportional to 269,793.10, 404,689.65 and 92,305.90

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Solution

The fourth proportional to 269,793.10, 404,689.65 and 92,305.90 is: 138,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,793.10 : 404,689.65 = 92,305.90 : x
  2. Step 2: Convert to fraction form
    269,793.10/404,689.65 = 92,305.90/x
  3. Step 3: Cross multiply
    269,793.10x = 404,689.65 × 92,305.90
  4. Step 4: Simplify right side
    269,793.10x = 37,355,242,363.94
  5. Step 5: Solve for x
    x = 37,355,242,363.94/269,793.10
  6. Step 6: Final answer
    x = 138,458.85

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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.