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Finding the Fourth Proportional to 123,365.43, 185,009.87 and 44,469.41

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Solution

The fourth proportional to 123,365.43, 185,009.87 and 44,469.41 is: 66,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,365.43 : 185,009.87 = 44,469.41 : x
  2. Step 2: Convert to fraction form
    123,365.43/185,009.87 = 44,469.41/x
  3. Step 3: Cross multiply
    123,365.43x = 185,009.87 × 44,469.41
  4. Step 4: Simplify right side
    123,365.43x = 8,227,278,949.20
  5. Step 5: Solve for x
    x = 8,227,278,949.20/123,365.43
  6. Step 6: Final answer
    x = 66,690.31

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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.