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Finding the Fourth Proportional to 198,067.67, 297,098.43 and 79,736.12

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Solution

The fourth proportional to 198,067.67, 297,098.43 and 79,736.12 is: 119,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,067.67 : 297,098.43 = 79,736.12 : x
  2. Step 2: Convert to fraction form
    198,067.67/297,098.43 = 79,736.12/x
  3. Step 3: Cross multiply
    198,067.67x = 297,098.43 × 79,736.12
  4. Step 4: Simplify right side
    198,067.67x = 23,689,476,066.29
  5. Step 5: Solve for x
    x = 23,689,476,066.29/198,067.67
  6. Step 6: Final answer
    x = 119,602.94

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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.