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Finding the Fourth Proportional to 264.72, 365.20 and 166.48

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Solution

The fourth proportional to 264.72, 365.20 and 166.48 is: 229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.72 : 365.20 = 166.48 : x
  2. Step 2: Convert to fraction form
    264.72/365.20 = 166.48/x
  3. Step 3: Cross multiply
    264.72x = 365.20 × 166.48
  4. Step 4: Simplify right side
    264.72x = 60,798.50
  5. Step 5: Solve for x
    x = 60,798.50/264.72
  6. Step 6: Final answer
    x = 229.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.