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Finding the Fourth Proportional to 110.37, 165.63 and 64.73

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Solution

The fourth proportional to 110.37, 165.63 and 64.73 is: 97.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.37 : 165.63 = 64.73 : x
  2. Step 2: Convert to fraction form
    110.37/165.63 = 64.73/x
  3. Step 3: Cross multiply
    110.37x = 165.63 × 64.73
  4. Step 4: Simplify right side
    110.37x = 10,720.40
  5. Step 5: Solve for x
    x = 10,720.40/110.37
  6. Step 6: Final answer
    x = 97.13

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