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Finding the Fourth Proportional to 111.84, 154.76 and 95.44

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Solution

The fourth proportional to 111.84, 154.76 and 95.44 is: 132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.84 : 154.76 = 95.44 : x
  2. Step 2: Convert to fraction form
    111.84/154.76 = 95.44/x
  3. Step 3: Cross multiply
    111.84x = 154.76 × 95.44
  4. Step 4: Simplify right side
    111.84x = 14,770.29
  5. Step 5: Solve for x
    x = 14,770.29/111.84
  6. Step 6: Final answer
    x = 132.07

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