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Finding the Fourth Proportional to 372.93, 559.45 and 167.49

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Solution

The fourth proportional to 372.93, 559.45 and 167.49 is: 251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.93 : 559.45 = 167.49 : x
  2. Step 2: Convert to fraction form
    372.93/559.45 = 167.49/x
  3. Step 3: Cross multiply
    372.93x = 559.45 × 167.49
  4. Step 4: Simplify right side
    372.93x = 93,702.28
  5. Step 5: Solve for x
    x = 93,702.28/372.93
  6. Step 6: Final answer
    x = 251.26

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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.