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Finding the Fourth Proportional to 192,099.28, 287,951.88 and 73,738.72

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Solution

The fourth proportional to 192,099.28, 287,951.88 and 73,738.72 is: 110,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,099.28 : 287,951.88 = 73,738.72 : x
  2. Step 2: Convert to fraction form
    192,099.28/287,951.88 = 73,738.72/x
  3. Step 3: Cross multiply
    192,099.28x = 287,951.88 × 73,738.72
  4. Step 4: Simplify right side
    192,099.28x = 21,233,203,052.79
  5. Step 5: Solve for x
    x = 21,233,203,052.79/192,099.28
  6. Step 6: Final answer
    x = 110,532.44

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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.