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Finding the Fourth Proportional to 164.56, 226.98 and 95.56

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Solution

The fourth proportional to 164.56, 226.98 and 95.56 is: 131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.56 : 226.98 = 95.56 : x
  2. Step 2: Convert to fraction form
    164.56/226.98 = 95.56/x
  3. Step 3: Cross multiply
    164.56x = 226.98 × 95.56
  4. Step 4: Simplify right side
    164.56x = 21,690.21
  5. Step 5: Solve for x
    x = 21,690.21/164.56
  6. Step 6: Final answer
    x = 131.81

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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.