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Finding the Fourth Proportional to 192,404.89, 265,346.85 and 120,791.59

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Solution

The fourth proportional to 192,404.89, 265,346.85 and 120,791.59 is: 166,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,404.89 : 265,346.85 = 120,791.59 : x
  2. Step 2: Convert to fraction form
    192,404.89/265,346.85 = 120,791.59/x
  3. Step 3: Cross multiply
    192,404.89x = 265,346.85 × 120,791.59
  4. Step 4: Simplify right side
    192,404.89x = 32,051,667,912.99
  5. Step 5: Solve for x
    x = 32,051,667,912.99/192,404.89
  6. Step 6: Final answer
    x = 166,584.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.