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Finding the Fourth Proportional to 160.91, 241.02 and 149.37

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Solution

The fourth proportional to 160.91, 241.02 and 149.37 is: 223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.91 : 241.02 = 149.37 : x
  2. Step 2: Convert to fraction form
    160.91/241.02 = 149.37/x
  3. Step 3: Cross multiply
    160.91x = 241.02 × 149.37
  4. Step 4: Simplify right side
    160.91x = 36,001.16
  5. Step 5: Solve for x
    x = 36,001.16/160.91
  6. Step 6: Final answer
    x = 223.73

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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.