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Finding the Fourth Proportional to 116.24, 174.52 and 70.67

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Solution

The fourth proportional to 116.24, 174.52 and 70.67 is: 106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.24 : 174.52 = 70.67 : x
  2. Step 2: Convert to fraction form
    116.24/174.52 = 70.67/x
  3. Step 3: Cross multiply
    116.24x = 174.52 × 70.67
  4. Step 4: Simplify right side
    116.24x = 12,333.85
  5. Step 5: Solve for x
    x = 12,333.85/116.24
  6. Step 6: Final answer
    x = 106.11

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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.