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Finding the Fourth Proportional to 161,194.20, 241,791.30 and 154,368.60

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Solution

The fourth proportional to 161,194.20, 241,791.30 and 154,368.60 is: 231,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,194.20 : 241,791.30 = 154,368.60 : x
  2. Step 2: Convert to fraction form
    161,194.20/241,791.30 = 154,368.60/x
  3. Step 3: Cross multiply
    161,194.20x = 241,791.30 × 154,368.60
  4. Step 4: Simplify right side
    161,194.20x = 37,324,984,473.18
  5. Step 5: Solve for x
    x = 37,324,984,473.18/161,194.20
  6. Step 6: Final answer
    x = 231,552.90

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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.