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Finding the Fourth Proportional to 164.22, 246.44 and 61.58

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Solution

The fourth proportional to 164.22, 246.44 and 61.58 is: 92.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.22 : 246.44 = 61.58 : x
  2. Step 2: Convert to fraction form
    164.22/246.44 = 61.58/x
  3. Step 3: Cross multiply
    164.22x = 246.44 × 61.58
  4. Step 4: Simplify right side
    164.22x = 15,175.78
  5. Step 5: Solve for x
    x = 15,175.78/164.22
  6. Step 6: Final answer
    x = 92.41

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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.