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Finding the Fourth Proportional to 123,230.92, 184,847.86 and 43,270.90

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Solution

The fourth proportional to 123,230.92, 184,847.86 and 43,270.90 is: 64,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,230.92 : 184,847.86 = 43,270.90 : x
  2. Step 2: Convert to fraction form
    123,230.92/184,847.86 = 43,270.90/x
  3. Step 3: Cross multiply
    123,230.92x = 184,847.86 × 43,270.90
  4. Step 4: Simplify right side
    123,230.92x = 7,998,533,265.27
  5. Step 5: Solve for x
    x = 7,998,533,265.27/123,230.92
  6. Step 6: Final answer
    x = 64,906.87

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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.