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Finding the Fourth Proportional to 164.24, 246.92 and 132.40

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Solution

The fourth proportional to 164.24, 246.92 and 132.40 is: 199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.24 : 246.92 = 132.40 : x
  2. Step 2: Convert to fraction form
    164.24/246.92 = 132.40/x
  3. Step 3: Cross multiply
    164.24x = 246.92 × 132.40
  4. Step 4: Simplify right side
    164.24x = 32,692.21
  5. Step 5: Solve for x
    x = 32,692.21/164.24
  6. Step 6: Final answer
    x = 199.05

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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.