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Finding the Fourth Proportional to 167.04, 229.50 and 155.16

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Solution

The fourth proportional to 167.04, 229.50 and 155.16 is: 213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.04 : 229.50 = 155.16 : x
  2. Step 2: Convert to fraction form
    167.04/229.50 = 155.16/x
  3. Step 3: Cross multiply
    167.04x = 229.50 × 155.16
  4. Step 4: Simplify right side
    167.04x = 35,609.22
  5. Step 5: Solve for x
    x = 35,609.22/167.04
  6. Step 6: Final answer
    x = 213.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.