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Finding the Fourth Proportional to 167.08, 230.04 and 158.16

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Solution

The fourth proportional to 167.08, 230.04 and 158.16 is: 217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.08 : 230.04 = 158.16 : x
  2. Step 2: Convert to fraction form
    167.08/230.04 = 158.16/x
  3. Step 3: Cross multiply
    167.08x = 230.04 × 158.16
  4. Step 4: Simplify right side
    167.08x = 36,383.13
  5. Step 5: Solve for x
    x = 36,383.13/167.08
  6. Step 6: Final answer
    x = 217.76

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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.