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Finding the Fourth Proportional to 164.13, 226.46 and 97.73

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Solution

The fourth proportional to 164.13, 226.46 and 97.73 is: 134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.13 : 226.46 = 97.73 : x
  2. Step 2: Convert to fraction form
    164.13/226.46 = 97.73/x
  3. Step 3: Cross multiply
    164.13x = 226.46 × 97.73
  4. Step 4: Simplify right side
    164.13x = 22,130.31
  5. Step 5: Solve for x
    x = 22,130.31/164.13
  6. Step 6: Final answer
    x = 134.83

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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.