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Finding the Fourth Proportional to 192,700.80, 288,532.80 and 150,883.20

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Solution

The fourth proportional to 192,700.80, 288,532.80 and 150,883.20 is: 225,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,700.80 : 288,532.80 = 150,883.20 : x
  2. Step 2: Convert to fraction form
    192,700.80/288,532.80 = 150,883.20/x
  3. Step 3: Cross multiply
    192,700.80x = 288,532.80 × 150,883.20
  4. Step 4: Simplify right side
    192,700.80x = 43,534,752,168.96
  5. Step 5: Solve for x
    x = 43,534,752,168.96/192,700.80
  6. Step 6: Final answer
    x = 225,918.90

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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.