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Finding the Fourth Proportional to 164.06, 226.56 and 105.95

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Solution

The fourth proportional to 164.06, 226.56 and 105.95 is: 146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.06 : 226.56 = 105.95 : x
  2. Step 2: Convert to fraction form
    164.06/226.56 = 105.95/x
  3. Step 3: Cross multiply
    164.06x = 226.56 × 105.95
  4. Step 4: Simplify right side
    164.06x = 24,002.90
  5. Step 5: Solve for x
    x = 24,002.90/164.06
  6. Step 6: Final answer
    x = 146.31

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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.