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Finding the Fourth Proportional to 96.02, 132.53 and 59.21

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Solution

The fourth proportional to 96.02, 132.53 and 59.21 is: 81.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.02 : 132.53 = 59.21 : x
  2. Step 2: Convert to fraction form
    96.02/132.53 = 59.21/x
  3. Step 3: Cross multiply
    96.02x = 132.53 × 59.21
  4. Step 4: Simplify right side
    96.02x = 7,846.81
  5. Step 5: Solve for x
    x = 7,846.81/96.02
  6. Step 6: Final answer
    x = 81.72

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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.