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Finding the Fourth Proportional to 199,296.87, 298,612.44 and 140,026.43

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Solution

The fourth proportional to 199,296.87, 298,612.44 and 140,026.43 is: 209,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,296.87 : 298,612.44 = 140,026.43 : x
  2. Step 2: Convert to fraction form
    199,296.87/298,612.44 = 140,026.43/x
  3. Step 3: Cross multiply
    199,296.87x = 298,612.44 × 140,026.43
  4. Step 4: Simplify right side
    199,296.87x = 41,813,632,433.73
  5. Step 5: Solve for x
    x = 41,813,632,433.73/199,296.87
  6. Step 6: Final answer
    x = 209,805.77

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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.