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Finding the Fourth Proportional to 243,954.30, 365,743.86 and 123,912.62

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Solution

The fourth proportional to 243,954.30, 365,743.86 and 123,912.62 is: 185,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,954.30 : 365,743.86 = 123,912.62 : x
  2. Step 2: Convert to fraction form
    243,954.30/365,743.86 = 123,912.62/x
  3. Step 3: Cross multiply
    243,954.30x = 365,743.86 × 123,912.62
  4. Step 4: Simplify right side
    243,954.30x = 45,320,278,112.79
  5. Step 5: Solve for x
    x = 45,320,278,112.79/243,954.30
  6. Step 6: Final answer
    x = 185,773.64

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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.