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Finding the Fourth Proportional to 88.01, 132.02 and 76.27

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Solution

The fourth proportional to 88.01, 132.02 and 76.27 is: 114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.01 : 132.02 = 76.27 : x
  2. Step 2: Convert to fraction form
    88.01/132.02 = 76.27/x
  3. Step 3: Cross multiply
    88.01x = 132.02 × 76.27
  4. Step 4: Simplify right side
    88.01x = 10,069.17
  5. Step 5: Solve for x
    x = 10,069.17/88.01
  6. Step 6: Final answer
    x = 114.41

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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.