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Finding the Fourth Proportional to 176.22, 263.87 and 122.22

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Solution

The fourth proportional to 176.22, 263.87 and 122.22 is: 183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.22 : 263.87 = 122.22 : x
  2. Step 2: Convert to fraction form
    176.22/263.87 = 122.22/x
  3. Step 3: Cross multiply
    176.22x = 263.87 × 122.22
  4. Step 4: Simplify right side
    176.22x = 32,249.18
  5. Step 5: Solve for x
    x = 32,249.18/176.22
  6. Step 6: Final answer
    x = 183.01

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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.