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Finding the Fourth Proportional to 164.44, 246.81 and 154.52

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Solution

The fourth proportional to 164.44, 246.81 and 154.52 is: 231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.44 : 246.81 = 154.52 : x
  2. Step 2: Convert to fraction form
    164.44/246.81 = 154.52/x
  3. Step 3: Cross multiply
    164.44x = 246.81 × 154.52
  4. Step 4: Simplify right side
    164.44x = 38,137.35
  5. Step 5: Solve for x
    x = 38,137.35/164.44
  6. Step 6: Final answer
    x = 231.92

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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.