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Finding the Fourth Proportional to 194,691.44, 292,039.60 and 68,326.58

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Solution

The fourth proportional to 194,691.44, 292,039.60 and 68,326.58 is: 102,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,691.44 : 292,039.60 = 68,326.58 : x
  2. Step 2: Convert to fraction form
    194,691.44/292,039.60 = 68,326.58/x
  3. Step 3: Cross multiply
    194,691.44x = 292,039.60 × 68,326.58
  4. Step 4: Simplify right side
    194,691.44x = 19,954,067,092.57
  5. Step 5: Solve for x
    x = 19,954,067,092.57/194,691.44
  6. Step 6: Final answer
    x = 102,490.73

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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.