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Finding the Fourth Proportional to 292.92, 439.48 and 110.37

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Solution

The fourth proportional to 292.92, 439.48 and 110.37 is: 165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.92 : 439.48 = 110.37 : x
  2. Step 2: Convert to fraction form
    292.92/439.48 = 110.37/x
  3. Step 3: Cross multiply
    292.92x = 439.48 × 110.37
  4. Step 4: Simplify right side
    292.92x = 48,503.90
  5. Step 5: Solve for x
    x = 48,503.90/292.92
  6. Step 6: Final answer
    x = 165.59

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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.