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Finding the Fourth Proportional to 116.26, 174.40 and 35.11

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Solution

The fourth proportional to 116.26, 174.40 and 35.11 is: 52.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.26 : 174.40 = 35.11 : x
  2. Step 2: Convert to fraction form
    116.26/174.40 = 35.11/x
  3. Step 3: Cross multiply
    116.26x = 174.40 × 35.11
  4. Step 4: Simplify right side
    116.26x = 6,123.02
  5. Step 5: Solve for x
    x = 6,123.02/116.26
  6. Step 6: Final answer
    x = 52.67

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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.