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Finding the Fourth Proportional to 238,258.72, 357,414 and 88,481.44

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Solution

The fourth proportional to 238,258.72, 357,414 and 88,481.44 is: 132,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,258.72 : 357,414 = 88,481.44 : x
  2. Step 2: Convert to fraction form
    238,258.72/357,414 = 88,481.44/x
  3. Step 3: Cross multiply
    238,258.72x = 357,414 × 88,481.44
  4. Step 4: Simplify right side
    238,258.72x = 31,624,505,396.16
  5. Step 5: Solve for x
    x = 31,624,505,396.16/238,258.72
  6. Step 6: Final answer
    x = 132,731.79

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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.