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Finding the Fourth Proportional to 71,608.60, 107,249.28 and 34,194.88

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Solution

The fourth proportional to 71,608.60, 107,249.28 and 34,194.88 is: 51,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,608.60 : 107,249.28 = 34,194.88 : x
  2. Step 2: Convert to fraction form
    71,608.60/107,249.28 = 34,194.88/x
  3. Step 3: Cross multiply
    71,608.60x = 107,249.28 × 34,194.88
  4. Step 4: Simplify right side
    71,608.60x = 3,667,376,259.69
  5. Step 5: Solve for x
    x = 3,667,376,259.69/71,608.60
  6. Step 6: Final answer
    x = 51,214.19

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1.5x scale

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.