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Finding the Fourth Proportional to 167.04, 229.91 and 160.83

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Solution

The fourth proportional to 167.04, 229.91 and 160.83 is: 221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.04 : 229.91 = 160.83 : x
  2. Step 2: Convert to fraction form
    167.04/229.91 = 160.83/x
  3. Step 3: Cross multiply
    167.04x = 229.91 × 160.83
  4. Step 4: Simplify right side
    167.04x = 36,975.62
  5. Step 5: Solve for x
    x = 36,975.62/167.04
  6. Step 6: Final answer
    x = 221.36

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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.