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Finding the Fourth Proportional to 164.55, 246.61 and 92.26

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Solution

The fourth proportional to 164.55, 246.61 and 92.26 is: 138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.55 : 246.61 = 92.26 : x
  2. Step 2: Convert to fraction form
    164.55/246.61 = 92.26/x
  3. Step 3: Cross multiply
    164.55x = 246.61 × 92.26
  4. Step 4: Simplify right side
    164.55x = 22,752.24
  5. Step 5: Solve for x
    x = 22,752.24/164.55
  6. Step 6: Final answer
    x = 138.27

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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.