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Finding the Fourth Proportional to 164.22, 226.01 and 151.11

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Solution

The fourth proportional to 164.22, 226.01 and 151.11 is: 207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.22 : 226.01 = 151.11 : x
  2. Step 2: Convert to fraction form
    164.22/226.01 = 151.11/x
  3. Step 3: Cross multiply
    164.22x = 226.01 × 151.11
  4. Step 4: Simplify right side
    164.22x = 34,151.62
  5. Step 5: Solve for x
    x = 34,151.62/164.22
  6. Step 6: Final answer
    x = 207.96

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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.