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Finding the Fourth Proportional to 198,066.66, 297,149.13 and 98,273.94

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Solution

The fourth proportional to 198,066.66, 297,149.13 and 98,273.94 is: 147,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,066.66 : 297,149.13 = 98,273.94 : x
  2. Step 2: Convert to fraction form
    198,066.66/297,149.13 = 98,273.94/x
  3. Step 3: Cross multiply
    198,066.66x = 297,149.13 × 98,273.94
  4. Step 4: Simplify right side
    198,066.66x = 29,202,015,772.67
  5. Step 5: Solve for x
    x = 29,202,015,772.67/198,066.66
  6. Step 6: Final answer
    x = 147,435.29

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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.