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Finding the Fourth Proportional to 96.42, 132.98 and 59.58

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Solution

The fourth proportional to 96.42, 132.98 and 59.58 is: 82.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.42 : 132.98 = 59.58 : x
  2. Step 2: Convert to fraction form
    96.42/132.98 = 59.58/x
  3. Step 3: Cross multiply
    96.42x = 132.98 × 59.58
  4. Step 4: Simplify right side
    96.42x = 7,922.95
  5. Step 5: Solve for x
    x = 7,922.95/96.42
  6. Step 6: Final answer
    x = 82.17

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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.