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Finding the Fourth Proportional to 268,496.37, 402,766.43 and 88,615.62

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Solution

The fourth proportional to 268,496.37, 402,766.43 and 88,615.62 is: 132,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,496.37 : 402,766.43 = 88,615.62 : x
  2. Step 2: Convert to fraction form
    268,496.37/402,766.43 = 88,615.62/x
  3. Step 3: Cross multiply
    268,496.37x = 402,766.43 × 88,615.62
  4. Step 4: Simplify right side
    268,496.37x = 35,691,396,466.56
  5. Step 5: Solve for x
    x = 35,691,396,466.56/268,496.37
  6. Step 6: Final answer
    x = 132,930.65

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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.