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Finding the Fourth Proportional to 372.23, 558.47 and 166.94

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Solution

The fourth proportional to 372.23, 558.47 and 166.94 is: 250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.23 : 558.47 = 166.94 : x
  2. Step 2: Convert to fraction form
    372.23/558.47 = 166.94/x
  3. Step 3: Cross multiply
    372.23x = 558.47 × 166.94
  4. Step 4: Simplify right side
    372.23x = 93,227.35
  5. Step 5: Solve for x
    x = 93,227.35/372.23
  6. Step 6: Final answer
    x = 250.46

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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.