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Finding the Fourth Proportional to 123,092.60, 184,721.99 and 48,203.42

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Solution

The fourth proportional to 123,092.60, 184,721.99 and 48,203.42 is: 72,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,092.60 : 184,721.99 = 48,203.42 : x
  2. Step 2: Convert to fraction form
    123,092.60/184,721.99 = 48,203.42/x
  3. Step 3: Cross multiply
    123,092.60x = 184,721.99 × 48,203.42
  4. Step 4: Simplify right side
    123,092.60x = 8,904,231,169.06
  5. Step 5: Solve for x
    x = 8,904,231,169.06/123,092.60
  6. Step 6: Final answer
    x = 72,337.66

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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.