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Finding the Fourth Proportional to 167.84, 252.27 and 107.36

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Solution

The fourth proportional to 167.84, 252.27 and 107.36 is: 161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.84 : 252.27 = 107.36 : x
  2. Step 2: Convert to fraction form
    167.84/252.27 = 107.36/x
  3. Step 3: Cross multiply
    167.84x = 252.27 × 107.36
  4. Step 4: Simplify right side
    167.84x = 27,083.71
  5. Step 5: Solve for x
    x = 27,083.71/167.84
  6. Step 6: Final answer
    x = 161.37

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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.