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Finding the Fourth Proportional to 110.48, 165.08 and 96.08

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Solution

The fourth proportional to 110.48, 165.08 and 96.08 is: 143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.48 : 165.08 = 96.08 : x
  2. Step 2: Convert to fraction form
    110.48/165.08 = 96.08/x
  3. Step 3: Cross multiply
    110.48x = 165.08 × 96.08
  4. Step 4: Simplify right side
    110.48x = 15,860.89
  5. Step 5: Solve for x
    x = 15,860.89/110.48
  6. Step 6: Final answer
    x = 143.56

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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.