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Finding the Fourth Proportional to 96.17, 132.67 and 58.81

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Solution

The fourth proportional to 96.17, 132.67 and 58.81 is: 81.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.17 : 132.67 = 58.81 : x
  2. Step 2: Convert to fraction form
    96.17/132.67 = 58.81/x
  3. Step 3: Cross multiply
    96.17x = 132.67 × 58.81
  4. Step 4: Simplify right side
    96.17x = 7,802.31
  5. Step 5: Solve for x
    x = 7,802.31/96.17
  6. Step 6: Final answer
    x = 81.13

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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.