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Finding the Fourth Proportional to 110.08, 164.88 and 98.48

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Solution

The fourth proportional to 110.08, 164.88 and 98.48 is: 147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.08 : 164.88 = 98.48 : x
  2. Step 2: Convert to fraction form
    110.08/164.88 = 98.48/x
  3. Step 3: Cross multiply
    110.08x = 164.88 × 98.48
  4. Step 4: Simplify right side
    110.08x = 16,237.38
  5. Step 5: Solve for x
    x = 16,237.38/110.08
  6. Step 6: Final answer
    x = 147.51

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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.