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Finding the Fourth Proportional to 183,794.20, 275,691.30 and 154,269.70

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Solution

The fourth proportional to 183,794.20, 275,691.30 and 154,269.70 is: 231,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,794.20 : 275,691.30 = 154,269.70 : x
  2. Step 2: Convert to fraction form
    183,794.20/275,691.30 = 154,269.70/x
  3. Step 3: Cross multiply
    183,794.20x = 275,691.30 × 154,269.70
  4. Step 4: Simplify right side
    183,794.20x = 42,530,814,143.61
  5. Step 5: Solve for x
    x = 42,530,814,143.61/183,794.20
  6. Step 6: Final answer
    x = 231,404.55

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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.