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Finding the Fourth Proportional to 123,327.80, 184,996.89 and 39,086.11

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Solution

The fourth proportional to 123,327.80, 184,996.89 and 39,086.11 is: 58,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,327.80 : 184,996.89 = 39,086.11 : x
  2. Step 2: Convert to fraction form
    123,327.80/184,996.89 = 39,086.11/x
  3. Step 3: Cross multiply
    123,327.80x = 184,996.89 × 39,086.11
  4. Step 4: Simplify right side
    123,327.80x = 7,230,808,792.20
  5. Step 5: Solve for x
    x = 7,230,808,792.20/123,327.80
  6. Step 6: Final answer
    x = 58,630.81

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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.