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Finding the Fourth Proportional to 116.82, 174.96 and 104.67

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Solution

The fourth proportional to 116.82, 174.96 and 104.67 is: 156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.82 : 174.96 = 104.67 : x
  2. Step 2: Convert to fraction form
    116.82/174.96 = 104.67/x
  3. Step 3: Cross multiply
    116.82x = 174.96 × 104.67
  4. Step 4: Simplify right side
    116.82x = 18,313.06
  5. Step 5: Solve for x
    x = 18,313.06/116.82
  6. Step 6: Final answer
    x = 156.76

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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.