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Finding the Fourth Proportional to 123,229.92, 184,846.36 and 43,269.90

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Solution

The fourth proportional to 123,229.92, 184,846.36 and 43,269.90 is: 64,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,229.92 : 184,846.36 = 43,269.90 : x
  2. Step 2: Convert to fraction form
    123,229.92/184,846.36 = 43,269.90/x
  3. Step 3: Cross multiply
    123,229.92x = 184,846.36 × 43,269.90
  4. Step 4: Simplify right side
    123,229.92x = 7,998,283,512.56
  5. Step 5: Solve for x
    x = 7,998,283,512.56/123,229.92
  6. Step 6: Final answer
    x = 64,905.37

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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.