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Finding the Fourth Proportional to 273,772.80, 410,481.60 and 115,958.40

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Solution

The fourth proportional to 273,772.80, 410,481.60 and 115,958.40 is: 173,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,772.80 : 410,481.60 = 115,958.40 : x
  2. Step 2: Convert to fraction form
    273,772.80/410,481.60 = 115,958.40/x
  3. Step 3: Cross multiply
    273,772.80x = 410,481.60 × 115,958.40
  4. Step 4: Simplify right side
    273,772.80x = 47,598,789,565.44
  5. Step 5: Solve for x
    x = 47,598,789,565.44/273,772.80
  6. Step 6: Final answer
    x = 173,862.38

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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.