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Finding the Fourth Proportional to 292.33, 403.44 and 161.37

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Solution

The fourth proportional to 292.33, 403.44 and 161.37 is: 222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.33 : 403.44 = 161.37 : x
  2. Step 2: Convert to fraction form
    292.33/403.44 = 161.37/x
  3. Step 3: Cross multiply
    292.33x = 403.44 × 161.37
  4. Step 4: Simplify right side
    292.33x = 65,103.11
  5. Step 5: Solve for x
    x = 65,103.11/292.33
  6. Step 6: Final answer
    x = 222.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.