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Finding the Fourth Proportional to 164.58, 226.97 and 124.54

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Solution

The fourth proportional to 164.58, 226.97 and 124.54 is: 171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.58 : 226.97 = 124.54 : x
  2. Step 2: Convert to fraction form
    164.58/226.97 = 124.54/x
  3. Step 3: Cross multiply
    164.58x = 226.97 × 124.54
  4. Step 4: Simplify right side
    164.58x = 28,266.84
  5. Step 5: Solve for x
    x = 28,266.84/164.58
  6. Step 6: Final answer
    x = 171.75

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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.