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Finding the Fourth Proportional to 167.99, 250.84 and 147.26

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Solution

The fourth proportional to 167.99, 250.84 and 147.26 is: 219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.99 : 250.84 = 147.26 : x
  2. Step 2: Convert to fraction form
    167.99/250.84 = 147.26/x
  3. Step 3: Cross multiply
    167.99x = 250.84 × 147.26
  4. Step 4: Simplify right side
    167.99x = 36,938.96
  5. Step 5: Solve for x
    x = 36,938.96/167.99
  6. Step 6: Final answer
    x = 219.89

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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.