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Finding the Fourth Proportional to 111.44, 153.58 and 96.08

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Solution

The fourth proportional to 111.44, 153.58 and 96.08 is: 132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.44 : 153.58 = 96.08 : x
  2. Step 2: Convert to fraction form
    111.44/153.58 = 96.08/x
  3. Step 3: Cross multiply
    111.44x = 153.58 × 96.08
  4. Step 4: Simplify right side
    111.44x = 14,755.97
  5. Step 5: Solve for x
    x = 14,755.97/111.44
  6. Step 6: Final answer
    x = 132.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.