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Finding the Fourth Proportional to 198,126.33, 297,198.91 and 63,204.73

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Solution

The fourth proportional to 198,126.33, 297,198.91 and 63,204.73 is: 94,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,126.33 : 297,198.91 = 63,204.73 : x
  2. Step 2: Convert to fraction form
    198,126.33/297,198.91 = 63,204.73/x
  3. Step 3: Cross multiply
    198,126.33x = 297,198.91 × 63,204.73
  4. Step 4: Simplify right side
    198,126.33x = 18,784,375,961.84
  5. Step 5: Solve for x
    x = 18,784,375,961.84/198,126.33
  6. Step 6: Final answer
    x = 94,810.10

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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.