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Finding the Fourth Proportional to 198,841.29, 298,198.75 and 65,696.73

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Solution

The fourth proportional to 198,841.29, 298,198.75 and 65,696.73 is: 98,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,841.29 : 298,198.75 = 65,696.73 : x
  2. Step 2: Convert to fraction form
    198,841.29/298,198.75 = 65,696.73/x
  3. Step 3: Cross multiply
    198,841.29x = 298,198.75 × 65,696.73
  4. Step 4: Simplify right side
    198,841.29x = 19,590,682,765.09
  5. Step 5: Solve for x
    x = 19,590,682,765.09/198,841.29
  6. Step 6: Final answer
    x = 98,524.22

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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.