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Finding the Fourth Proportional to 164.62, 226.62 and 123.04

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Solution

The fourth proportional to 164.62, 226.62 and 123.04 is: 169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.62 : 226.62 = 123.04 : x
  2. Step 2: Convert to fraction form
    164.62/226.62 = 123.04/x
  3. Step 3: Cross multiply
    164.62x = 226.62 × 123.04
  4. Step 4: Simplify right side
    164.62x = 27,883.32
  5. Step 5: Solve for x
    x = 27,883.32/164.62
  6. Step 6: Final answer
    x = 169.38

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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.