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Finding the Fourth Proportional to 192,548.57, 288,738.50 and 91,375.44

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Solution

The fourth proportional to 192,548.57, 288,738.50 and 91,375.44 is: 137,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,548.57 : 288,738.50 = 91,375.44 : x
  2. Step 2: Convert to fraction form
    192,548.57/288,738.50 = 91,375.44/x
  3. Step 3: Cross multiply
    192,548.57x = 288,738.50 × 91,375.44
  4. Step 4: Simplify right side
    192,548.57x = 26,383,607,025.56
  5. Step 5: Solve for x
    x = 26,383,607,025.56/192,548.57
  6. Step 6: Final answer
    x = 137,023.13

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1.5x scale

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.