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Finding the Fourth Proportional to 197,958.60, 297,003.06 and 131,659.56

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Solution

The fourth proportional to 197,958.60, 297,003.06 and 131,659.56 is: 197,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,958.60 : 297,003.06 = 131,659.56 : x
  2. Step 2: Convert to fraction form
    197,958.60/297,003.06 = 131,659.56/x
  3. Step 3: Cross multiply
    197,958.60x = 297,003.06 × 131,659.56
  4. Step 4: Simplify right side
    197,958.60x = 39,103,292,198.25
  5. Step 5: Solve for x
    x = 39,103,292,198.25/197,958.60
  6. Step 6: Final answer
    x = 197,532.68

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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.