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Finding the Fourth Proportional to 322.48, 483.45 and 105.94

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Solution

The fourth proportional to 322.48, 483.45 and 105.94 is: 158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.48 : 483.45 = 105.94 : x
  2. Step 2: Convert to fraction form
    322.48/483.45 = 105.94/x
  3. Step 3: Cross multiply
    322.48x = 483.45 × 105.94
  4. Step 4: Simplify right side
    322.48x = 51,216.69
  5. Step 5: Solve for x
    x = 51,216.69/322.48
  6. Step 6: Final answer
    x = 158.82

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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.