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Finding the Fourth Proportional to 164.43, 246.60 and 92.25

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Solution

The fourth proportional to 164.43, 246.60 and 92.25 is: 138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.43 : 246.60 = 92.25 : x
  2. Step 2: Convert to fraction form
    164.43/246.60 = 92.25/x
  3. Step 3: Cross multiply
    164.43x = 246.60 × 92.25
  4. Step 4: Simplify right side
    164.43x = 22,748.85
  5. Step 5: Solve for x
    x = 22,748.85/164.43
  6. Step 6: Final answer
    x = 138.35

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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.