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Finding the Fourth Proportional to 96.82, 145.16 and 62.60

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Solution

The fourth proportional to 96.82, 145.16 and 62.60 is: 93.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.82 : 145.16 = 62.60 : x
  2. Step 2: Convert to fraction form
    96.82/145.16 = 62.60/x
  3. Step 3: Cross multiply
    96.82x = 145.16 × 62.60
  4. Step 4: Simplify right side
    96.82x = 9,086.21
  5. Step 5: Solve for x
    x = 9,086.21/96.82
  6. Step 6: Final answer
    x = 93.85

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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.