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Finding the Fourth Proportional to 198,066.67, 297,096.93 and 79,735.12

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Solution

The fourth proportional to 198,066.67, 297,096.93 and 79,735.12 is: 119,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,066.67 : 297,096.93 = 79,735.12 : x
  2. Step 2: Convert to fraction form
    198,066.67/297,096.93 = 79,735.12/x
  3. Step 3: Cross multiply
    198,066.67x = 297,096.93 × 79,735.12
  4. Step 4: Simplify right side
    198,066.67x = 23,689,058,622.44
  5. Step 5: Solve for x
    x = 23,689,058,622.44/198,066.67
  6. Step 6: Final answer
    x = 119,601.44

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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.