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Finding the Fourth Proportional to 193,733.78, 290,481.80 and 75,266.82

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Solution

The fourth proportional to 193,733.78, 290,481.80 and 75,266.82 is: 112,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,733.78 : 290,481.80 = 75,266.82 : x
  2. Step 2: Convert to fraction form
    193,733.78/290,481.80 = 75,266.82/x
  3. Step 3: Cross multiply
    193,733.78x = 290,481.80 × 75,266.82
  4. Step 4: Simplify right side
    193,733.78x = 21,863,640,977.54
  5. Step 5: Solve for x
    x = 21,863,640,977.54/193,733.78
  6. Step 6: Final answer
    x = 112,854.05

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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.