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Finding the Fourth Proportional to 198,991.38, 274,610.00 and 114,092.04

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Solution

The fourth proportional to 198,991.38, 274,610.00 and 114,092.04 is: 157,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,991.38 : 274,610.00 = 114,092.04 : x
  2. Step 2: Convert to fraction form
    198,991.38/274,610.00 = 114,092.04/x
  3. Step 3: Cross multiply
    198,991.38x = 274,610.00 × 114,092.04
  4. Step 4: Simplify right side
    198,991.38x = 31,330,815,777.65
  5. Step 5: Solve for x
    x = 31,330,815,777.65/198,991.38
  6. Step 6: Final answer
    x = 157,448.10

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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.