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Finding the Fourth Proportional to 367.43, 551.23 and 107.44

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Solution

The fourth proportional to 367.43, 551.23 and 107.44 is: 161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.43 : 551.23 = 107.44 : x
  2. Step 2: Convert to fraction form
    367.43/551.23 = 107.44/x
  3. Step 3: Cross multiply
    367.43x = 551.23 × 107.44
  4. Step 4: Simplify right side
    367.43x = 59,222.50
  5. Step 5: Solve for x
    x = 59,222.50/367.43
  6. Step 6: Final answer
    x = 161.18

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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.