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Finding the Fourth Proportional to 199,291.59, 298,951.97 and 80,965.17

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Solution

The fourth proportional to 199,291.59, 298,951.97 and 80,965.17 is: 121,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,291.59 : 298,951.97 = 80,965.17 : x
  2. Step 2: Convert to fraction form
    199,291.59/298,951.97 = 80,965.17/x
  3. Step 3: Cross multiply
    199,291.59x = 298,951.97 × 80,965.17
  4. Step 4: Simplify right side
    199,291.59x = 24,204,696,668.06
  5. Step 5: Solve for x
    x = 24,204,696,668.06/199,291.59
  6. Step 6: Final answer
    x = 121,453.68

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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.