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Finding the Fourth Proportional to 176.36, 264.06 and 122.09

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Solution

The fourth proportional to 176.36, 264.06 and 122.09 is: 182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.36 : 264.06 = 122.09 : x
  2. Step 2: Convert to fraction form
    176.36/264.06 = 122.09/x
  3. Step 3: Cross multiply
    176.36x = 264.06 × 122.09
  4. Step 4: Simplify right side
    176.36x = 32,237.77
  5. Step 5: Solve for x
    x = 32,237.77/176.36
  6. Step 6: Final answer
    x = 182.80

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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.