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Finding the Fourth Proportional to 164.01, 226.22 and 155.98

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Solution

The fourth proportional to 164.01, 226.22 and 155.98 is: 215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.01 : 226.22 = 155.98 : x
  2. Step 2: Convert to fraction form
    164.01/226.22 = 155.98/x
  3. Step 3: Cross multiply
    164.01x = 226.22 × 155.98
  4. Step 4: Simplify right side
    164.01x = 35,285.80
  5. Step 5: Solve for x
    x = 35,285.80/164.01
  6. Step 6: Final answer
    x = 215.14

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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.