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Finding the Fourth Proportional to 164.04, 246.12 and 82.92

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Solution

The fourth proportional to 164.04, 246.12 and 82.92 is: 124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.04 : 246.12 = 82.92 : x
  2. Step 2: Convert to fraction form
    164.04/246.12 = 82.92/x
  3. Step 3: Cross multiply
    164.04x = 246.12 × 82.92
  4. Step 4: Simplify right side
    164.04x = 20,408.27
  5. Step 5: Solve for x
    x = 20,408.27/164.04
  6. Step 6: Final answer
    x = 124.41

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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.