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Finding the Fourth Proportional to 206,350.20, 309,452.40 and 73,234.80

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Solution

The fourth proportional to 206,350.20, 309,452.40 and 73,234.80 is: 109,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,350.20 : 309,452.40 = 73,234.80 : x
  2. Step 2: Convert to fraction form
    206,350.20/309,452.40 = 73,234.80/x
  3. Step 3: Cross multiply
    206,350.20x = 309,452.40 × 73,234.80
  4. Step 4: Simplify right side
    206,350.20x = 22,662,684,623.52
  5. Step 5: Solve for x
    x = 22,662,684,623.52/206,350.20
  6. Step 6: Final answer
    x = 109,826.33

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1.5x scale

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.