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Finding the Fourth Proportional to 164.48, 246.96 and 109.67

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Solution

The fourth proportional to 164.48, 246.96 and 109.67 is: 164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.48 : 246.96 = 109.67 : x
  2. Step 2: Convert to fraction form
    164.48/246.96 = 109.67/x
  3. Step 3: Cross multiply
    164.48x = 246.96 × 109.67
  4. Step 4: Simplify right side
    164.48x = 27,082.87
  5. Step 5: Solve for x
    x = 27,082.87/164.48
  6. Step 6: Final answer
    x = 164.66

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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.