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Finding the Fourth Proportional to 274,791.44, 412,173.48 and 161,003.60

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Solution

The fourth proportional to 274,791.44, 412,173.48 and 161,003.60 is: 241,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,791.44 : 412,173.48 = 161,003.60 : x
  2. Step 2: Convert to fraction form
    274,791.44/412,173.48 = 161,003.60/x
  3. Step 3: Cross multiply
    274,791.44x = 412,173.48 × 161,003.60
  4. Step 4: Simplify right side
    274,791.44x = 66,361,414,104.53
  5. Step 5: Solve for x
    x = 66,361,414,104.53/274,791.44
  6. Step 6: Final answer
    x = 241,497.38

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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.