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Finding the Fourth Proportional to 88.44, 132.52 and 64

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Solution

The fourth proportional to 88.44, 132.52 and 64 is: 95.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.44 : 132.52 = 64 : x
  2. Step 2: Convert to fraction form
    88.44/132.52 = 64/x
  3. Step 3: Cross multiply
    88.44x = 132.52 × 64
  4. Step 4: Simplify right side
    88.44x = 8,481.28
  5. Step 5: Solve for x
    x = 8,481.28/88.44
  6. Step 6: Final answer
    x = 95.90

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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.