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Finding the Fourth Proportional to 267,930.87, 369,745.41 and 147,084.54

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Solution

The fourth proportional to 267,930.87, 369,745.41 and 147,084.54 is: 202,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,930.87 : 369,745.41 = 147,084.54 : x
  2. Step 2: Convert to fraction form
    267,930.87/369,745.41 = 147,084.54/x
  3. Step 3: Cross multiply
    267,930.87x = 369,745.41 × 147,084.54
  4. Step 4: Simplify right side
    267,930.87x = 54,383,833,546.96
  5. Step 5: Solve for x
    x = 54,383,833,546.96/267,930.87
  6. Step 6: Final answer
    x = 202,977.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.