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Finding the Fourth Proportional to 96.92, 145.24 and 58.34

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Solution

The fourth proportional to 96.92, 145.24 and 58.34 is: 87.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.92 : 145.24 = 58.34 : x
  2. Step 2: Convert to fraction form
    96.92/145.24 = 58.34/x
  3. Step 3: Cross multiply
    96.92x = 145.24 × 58.34
  4. Step 4: Simplify right side
    96.92x = 8,473.30
  5. Step 5: Solve for x
    x = 8,473.30/96.92
  6. Step 6: Final answer
    x = 87.43

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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.