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Finding the Fourth Proportional to 199,523.70, 275,348.55 and 108,885.52

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Solution

The fourth proportional to 199,523.70, 275,348.55 and 108,885.52 is: 150,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,523.70 : 275,348.55 = 108,885.52 : x
  2. Step 2: Convert to fraction form
    199,523.70/275,348.55 = 108,885.52/x
  3. Step 3: Cross multiply
    199,523.70x = 275,348.55 × 108,885.52
  4. Step 4: Simplify right side
    199,523.70x = 29,981,468,671.25
  5. Step 5: Solve for x
    x = 29,981,468,671.25/199,523.70
  6. Step 6: Final answer
    x = 150,265.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.