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Finding the Fourth Proportional to 193,481.40, 290,351.70 and 88,246.20

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Solution

The fourth proportional to 193,481.40, 290,351.70 and 88,246.20 is: 132,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,481.40 : 290,351.70 = 88,246.20 : x
  2. Step 2: Convert to fraction form
    193,481.40/290,351.70 = 88,246.20/x
  3. Step 3: Cross multiply
    193,481.40x = 290,351.70 × 88,246.20
  4. Step 4: Simplify right side
    193,481.40x = 25,622,434,188.54
  5. Step 5: Solve for x
    x = 25,622,434,188.54/193,481.40
  6. Step 6: Final answer
    x = 132,428.41

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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.