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Finding the Fourth Proportional to 164.24, 226.50 and 108.92

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Solution

The fourth proportional to 164.24, 226.50 and 108.92 is: 150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.24 : 226.50 = 108.92 : x
  2. Step 2: Convert to fraction form
    164.24/226.50 = 108.92/x
  3. Step 3: Cross multiply
    164.24x = 226.50 × 108.92
  4. Step 4: Simplify right side
    164.24x = 24,670.54
  5. Step 5: Solve for x
    x = 24,670.54/164.24
  6. Step 6: Final answer
    x = 150.21

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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.