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Finding the Fourth Proportional to 110.59, 164.90 and 107.26

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Solution

The fourth proportional to 110.59, 164.90 and 107.26 is: 159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.59 : 164.90 = 107.26 : x
  2. Step 2: Convert to fraction form
    110.59/164.90 = 107.26/x
  3. Step 3: Cross multiply
    110.59x = 164.90 × 107.26
  4. Step 4: Simplify right side
    110.59x = 17,687.03
  5. Step 5: Solve for x
    x = 17,687.03/110.59
  6. Step 6: Final answer
    x = 159.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.