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Finding the Fourth Proportional to 163.01, 223.34 and 160.73

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Solution

The fourth proportional to 163.01, 223.34 and 160.73 is: 220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.01 : 223.34 = 160.73 : x
  2. Step 2: Convert to fraction form
    163.01/223.34 = 160.73/x
  3. Step 3: Cross multiply
    163.01x = 223.34 × 160.73
  4. Step 4: Simplify right side
    163.01x = 35,898.52
  5. Step 5: Solve for x
    x = 35,898.52/163.01
  6. Step 6: Final answer
    x = 220.22

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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.