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Finding the Fourth Proportional to 167.99, 250.61 and 160.25

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Solution

The fourth proportional to 167.99, 250.61 and 160.25 is: 239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.99 : 250.61 = 160.25 : x
  2. Step 2: Convert to fraction form
    167.99/250.61 = 160.25/x
  3. Step 3: Cross multiply
    167.99x = 250.61 × 160.25
  4. Step 4: Simplify right side
    167.99x = 40,158.20
  5. Step 5: Solve for x
    x = 40,158.20/167.99
  6. Step 6: Final answer
    x = 239.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.