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Finding the Fourth Proportional to 164.16, 226.62 and 163.62

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Solution

The fourth proportional to 164.16, 226.62 and 163.62 is: 225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.16 : 226.62 = 163.62 : x
  2. Step 2: Convert to fraction form
    164.16/226.62 = 163.62/x
  3. Step 3: Cross multiply
    164.16x = 226.62 × 163.62
  4. Step 4: Simplify right side
    164.16x = 37,079.56
  5. Step 5: Solve for x
    x = 37,079.56/164.16
  6. Step 6: Final answer
    x = 225.87

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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.