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Finding the Fourth Proportional to 372.98, 559.76 and 167.69

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Solution

The fourth proportional to 372.98, 559.76 and 167.69 is: 251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.98 : 559.76 = 167.69 : x
  2. Step 2: Convert to fraction form
    372.98/559.76 = 167.69/x
  3. Step 3: Cross multiply
    372.98x = 559.76 × 167.69
  4. Step 4: Simplify right side
    372.98x = 93,862.52
  5. Step 5: Solve for x
    x = 93,862.52/372.98
  6. Step 6: Final answer
    x = 251.66

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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.