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Finding the Fourth Proportional to 164.49, 246.66 and 113.11

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Solution

The fourth proportional to 164.49, 246.66 and 113.11 is: 169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.49 : 246.66 = 113.11 : x
  2. Step 2: Convert to fraction form
    164.49/246.66 = 113.11/x
  3. Step 3: Cross multiply
    164.49x = 246.66 × 113.11
  4. Step 4: Simplify right side
    164.49x = 27,899.71
  5. Step 5: Solve for x
    x = 27,899.71/164.49
  6. Step 6: Final answer
    x = 169.61

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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.