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Finding the Fourth Proportional to 116.19, 174.33 and 68.04

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Solution

The fourth proportional to 116.19, 174.33 and 68.04 is: 102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.19 : 174.33 = 68.04 : x
  2. Step 2: Convert to fraction form
    116.19/174.33 = 68.04/x
  3. Step 3: Cross multiply
    116.19x = 174.33 × 68.04
  4. Step 4: Simplify right side
    116.19x = 11,861.41
  5. Step 5: Solve for x
    x = 11,861.41/116.19
  6. Step 6: Final answer
    x = 102.09

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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.