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Finding the Fourth Proportional to 167.88, 251.61 and 146.13

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Solution

The fourth proportional to 167.88, 251.61 and 146.13 is: 219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.88 : 251.61 = 146.13 : x
  2. Step 2: Convert to fraction form
    167.88/251.61 = 146.13/x
  3. Step 3: Cross multiply
    167.88x = 251.61 × 146.13
  4. Step 4: Simplify right side
    167.88x = 36,766.51
  5. Step 5: Solve for x
    x = 36,766.51/167.88
  6. Step 6: Final answer
    x = 219.00

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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.