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Finding the Fourth Proportional to 275,793.80, 413,690.70 and 88,805.30

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Solution

The fourth proportional to 275,793.80, 413,690.70 and 88,805.30 is: 133,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,793.80 : 413,690.70 = 88,805.30 : x
  2. Step 2: Convert to fraction form
    275,793.80/413,690.70 = 88,805.30/x
  3. Step 3: Cross multiply
    275,793.80x = 413,690.70 × 88,805.30
  4. Step 4: Simplify right side
    275,793.80x = 36,737,926,720.71
  5. Step 5: Solve for x
    x = 36,737,926,720.71/275,793.80
  6. Step 6: Final answer
    x = 133,207.95

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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.