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Finding the Fourth Proportional to 225,153.87, 338,117.17 and 199,910.42

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Solution

The fourth proportional to 225,153.87, 338,117.17 and 199,910.42 is: 300,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,153.87 : 338,117.17 = 199,910.42 : x
  2. Step 2: Convert to fraction form
    225,153.87/338,117.17 = 199,910.42/x
  3. Step 3: Cross multiply
    225,153.87x = 338,117.17 × 199,910.42
  4. Step 4: Simplify right side
    225,153.87x = 67,593,145,463.91
  5. Step 5: Solve for x
    x = 67,593,145,463.91/225,153.87
  6. Step 6: Final answer
    x = 300,208.68

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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.