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Finding the Fourth Proportional to 292.35, 403.32 and 167.98

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Solution

The fourth proportional to 292.35, 403.32 and 167.98 is: 231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.35 : 403.32 = 167.98 : x
  2. Step 2: Convert to fraction form
    292.35/403.32 = 167.98/x
  3. Step 3: Cross multiply
    292.35x = 403.32 × 167.98
  4. Step 4: Simplify right side
    292.35x = 67,749.69
  5. Step 5: Solve for x
    x = 67,749.69/292.35
  6. Step 6: Final answer
    x = 231.74

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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.