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Finding the Fourth Proportional to 110.64, 166.62 and 97.26

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Solution

The fourth proportional to 110.64, 166.62 and 97.26 is: 146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.64 : 166.62 = 97.26 : x
  2. Step 2: Convert to fraction form
    110.64/166.62 = 97.26/x
  3. Step 3: Cross multiply
    110.64x = 166.62 × 97.26
  4. Step 4: Simplify right side
    110.64x = 16,205.46
  5. Step 5: Solve for x
    x = 16,205.46/110.64
  6. Step 6: Final answer
    x = 146.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.