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Finding the Fourth Proportional to 164.44, 246.46 and 118.47

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Solution

The fourth proportional to 164.44, 246.46 and 118.47 is: 177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.44 : 246.46 = 118.47 : x
  2. Step 2: Convert to fraction form
    164.44/246.46 = 118.47/x
  3. Step 3: Cross multiply
    164.44x = 246.46 × 118.47
  4. Step 4: Simplify right side
    164.44x = 29,198.12
  5. Step 5: Solve for x
    x = 29,198.12/164.44
  6. Step 6: Final answer
    x = 177.56

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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.