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Finding the Fourth Proportional to 123,299.20, 184,933.20 and 39,067.91

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Solution

The fourth proportional to 123,299.20, 184,933.20 and 39,067.91 is: 58,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,299.20 : 184,933.20 = 39,067.91 : x
  2. Step 2: Convert to fraction form
    123,299.20/184,933.20 = 39,067.91/x
  3. Step 3: Cross multiply
    123,299.20x = 184,933.20 × 39,067.91
  4. Step 4: Simplify right side
    123,299.20x = 7,224,953,613.61
  5. Step 5: Solve for x
    x = 7,224,953,613.61/123,299.20
  6. Step 6: Final answer
    x = 58,596.92

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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.