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Finding the Fourth Proportional to 275,065.57, 412,604.11 and 88,076.53

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Solution

The fourth proportional to 275,065.57, 412,604.11 and 88,076.53 is: 132,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,065.57 : 412,604.11 = 88,076.53 : x
  2. Step 2: Convert to fraction form
    275,065.57/412,604.11 = 88,076.53/x
  3. Step 3: Cross multiply
    275,065.57x = 412,604.11 × 88,076.53
  4. Step 4: Simplify right side
    275,065.57x = 36,340,735,989.33
  5. Step 5: Solve for x
    x = 36,340,735,989.33/275,065.57
  6. Step 6: Final answer
    x = 132,116.63

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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.