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Finding the Fourth Proportional to 176.92, 264.96 and 122.64

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Solution

The fourth proportional to 176.92, 264.96 and 122.64 is: 183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.92 : 264.96 = 122.64 : x
  2. Step 2: Convert to fraction form
    176.92/264.96 = 122.64/x
  3. Step 3: Cross multiply
    176.92x = 264.96 × 122.64
  4. Step 4: Simplify right side
    176.92x = 32,494.69
  5. Step 5: Solve for x
    x = 32,494.69/176.92
  6. Step 6: Final answer
    x = 183.67

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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.