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Finding the Fourth Proportional to 192,172.62, 288,229.37 and 64,091.16

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Solution

The fourth proportional to 192,172.62, 288,229.37 and 64,091.16 is: 96,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,172.62 : 288,229.37 = 64,091.16 : x
  2. Step 2: Convert to fraction form
    192,172.62/288,229.37 = 64,091.16/x
  3. Step 3: Cross multiply
    192,172.62x = 288,229.37 × 64,091.16
  4. Step 4: Simplify right side
    192,172.62x = 18,472,954,348.91
  5. Step 5: Solve for x
    x = 18,472,954,348.91/192,172.62
  6. Step 6: Final answer
    x = 96,126.88

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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.