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Finding the Fourth Proportional to 164.44, 246.61 and 48.85

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Solution

The fourth proportional to 164.44, 246.61 and 48.85 is: 73.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.44 : 246.61 = 48.85 : x
  2. Step 2: Convert to fraction form
    164.44/246.61 = 48.85/x
  3. Step 3: Cross multiply
    164.44x = 246.61 × 48.85
  4. Step 4: Simplify right side
    164.44x = 12,046.90
  5. Step 5: Solve for x
    x = 12,046.90/164.44
  6. Step 6: Final answer
    x = 73.26

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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.