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Finding the Fourth Proportional to 116.33, 174.34 and 104.07

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Solution

The fourth proportional to 116.33, 174.34 and 104.07 is: 155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.33 : 174.34 = 104.07 : x
  2. Step 2: Convert to fraction form
    116.33/174.34 = 104.07/x
  3. Step 3: Cross multiply
    116.33x = 174.34 × 104.07
  4. Step 4: Simplify right side
    116.33x = 18,143.30
  5. Step 5: Solve for x
    x = 18,143.30/116.33
  6. Step 6: Final answer
    x = 155.96

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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.