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Finding the Fourth Proportional to 167.84, 231.36 and 150.08

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Solution

The fourth proportional to 167.84, 231.36 and 150.08 is: 206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.84 : 231.36 = 150.08 : x
  2. Step 2: Convert to fraction form
    167.84/231.36 = 150.08/x
  3. Step 3: Cross multiply
    167.84x = 231.36 × 150.08
  4. Step 4: Simplify right side
    167.84x = 34,722.51
  5. Step 5: Solve for x
    x = 34,722.51/167.84
  6. Step 6: Final answer
    x = 206.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.