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Finding the Fourth Proportional to 167.19, 250.80 and 153.03

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Solution

The fourth proportional to 167.19, 250.80 and 153.03 is: 229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.19 : 250.80 = 153.03 : x
  2. Step 2: Convert to fraction form
    167.19/250.80 = 153.03/x
  3. Step 3: Cross multiply
    167.19x = 250.80 × 153.03
  4. Step 4: Simplify right side
    167.19x = 38,379.92
  5. Step 5: Solve for x
    x = 38,379.92/167.19
  6. Step 6: Final answer
    x = 229.56

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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.