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Finding the Fourth Proportional to 96.10, 132.54 and 69.95

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Solution

The fourth proportional to 96.10, 132.54 and 69.95 is: 96.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.10 : 132.54 = 69.95 : x
  2. Step 2: Convert to fraction form
    96.10/132.54 = 69.95/x
  3. Step 3: Cross multiply
    96.10x = 132.54 × 69.95
  4. Step 4: Simplify right side
    96.10x = 9,271.37
  5. Step 5: Solve for x
    x = 9,271.37/96.10
  6. Step 6: Final answer
    x = 96.48

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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.