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Finding the Fourth Proportional to 167.41, 250.54 and 105.68

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Solution

The fourth proportional to 167.41, 250.54 and 105.68 is: 158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.41 : 250.54 = 105.68 : x
  2. Step 2: Convert to fraction form
    167.41/250.54 = 105.68/x
  3. Step 3: Cross multiply
    167.41x = 250.54 × 105.68
  4. Step 4: Simplify right side
    167.41x = 26,477.69
  5. Step 5: Solve for x
    x = 26,477.69/167.41
  6. Step 6: Final answer
    x = 158.16

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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.