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Finding the Fourth Proportional to 322.23, 483.41 and 105.96

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Solution

The fourth proportional to 322.23, 483.41 and 105.96 is: 158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.23 : 483.41 = 105.96 : x
  2. Step 2: Convert to fraction form
    322.23/483.41 = 105.96/x
  3. Step 3: Cross multiply
    322.23x = 483.41 × 105.96
  4. Step 4: Simplify right side
    322.23x = 51,221.59
  5. Step 5: Solve for x
    x = 51,221.59/322.23
  6. Step 6: Final answer
    x = 158.96

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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.