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Finding the Fourth Proportional to 372.99, 559.35 and 167.52

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Solution

The fourth proportional to 372.99, 559.35 and 167.52 is: 251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.99 : 559.35 = 167.52 : x
  2. Step 2: Convert to fraction form
    372.99/559.35 = 167.52/x
  3. Step 3: Cross multiply
    372.99x = 559.35 × 167.52
  4. Step 4: Simplify right side
    372.99x = 93,702.31
  5. Step 5: Solve for x
    x = 93,702.31/372.99
  6. Step 6: Final answer
    x = 251.22

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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.