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Finding the Fourth Proportional to 262.72, 362.44 and 164.48

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Solution

The fourth proportional to 262.72, 362.44 and 164.48 is: 226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.72 : 362.44 = 164.48 : x
  2. Step 2: Convert to fraction form
    262.72/362.44 = 164.48/x
  3. Step 3: Cross multiply
    262.72x = 362.44 × 164.48
  4. Step 4: Simplify right side
    262.72x = 59,614.13
  5. Step 5: Solve for x
    x = 59,614.13/262.72
  6. Step 6: Final answer
    x = 226.91

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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.