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Finding the Fourth Proportional to 96.23, 144.22 and 52.91

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Solution

The fourth proportional to 96.23, 144.22 and 52.91 is: 79.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.23 : 144.22 = 52.91 : x
  2. Step 2: Convert to fraction form
    96.23/144.22 = 52.91/x
  3. Step 3: Cross multiply
    96.23x = 144.22 × 52.91
  4. Step 4: Simplify right side
    96.23x = 7,631.21
  5. Step 5: Solve for x
    x = 7,631.21/96.23
  6. Step 6: Final answer
    x = 79.31

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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.