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Finding the Fourth Proportional to 202,067.80, 302,583.30 and 192,736.60

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Solution

The fourth proportional to 202,067.80, 302,583.30 and 192,736.60 is: 288,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,067.80 : 302,583.30 = 192,736.60 : x
  2. Step 2: Convert to fraction form
    202,067.80/302,583.30 = 192,736.60/x
  3. Step 3: Cross multiply
    202,067.80x = 302,583.30 × 192,736.60
  4. Step 4: Simplify right side
    202,067.80x = 58,318,876,458.78
  5. Step 5: Solve for x
    x = 58,318,876,458.78/202,067.80
  6. Step 6: Final answer
    x = 288,610.44

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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.