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Finding the Fourth Proportional to 123,306.97, 184,965.83 and 39,073.34

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Solution

The fourth proportional to 123,306.97, 184,965.83 and 39,073.34 is: 58,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,306.97 : 184,965.83 = 39,073.34 : x
  2. Step 2: Convert to fraction form
    123,306.97/184,965.83 = 39,073.34/x
  3. Step 3: Cross multiply
    123,306.97x = 184,965.83 × 39,073.34
  4. Step 4: Simplify right side
    123,306.97x = 7,227,232,763.97
  5. Step 5: Solve for x
    x = 7,227,232,763.97/123,306.97
  6. Step 6: Final answer
    x = 58,611.71

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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.