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Finding the Fourth Proportional to 164.31, 246.42 and 110.49

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Solution

The fourth proportional to 164.31, 246.42 and 110.49 is: 165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.31 : 246.42 = 110.49 : x
  2. Step 2: Convert to fraction form
    164.31/246.42 = 110.49/x
  3. Step 3: Cross multiply
    164.31x = 246.42 × 110.49
  4. Step 4: Simplify right side
    164.31x = 27,226.95
  5. Step 5: Solve for x
    x = 27,226.95/164.31
  6. Step 6: Final answer
    x = 165.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.