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Finding the Fourth Proportional to 293.18, 439.77 and 110.54

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Solution

The fourth proportional to 293.18, 439.77 and 110.54 is: 165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.18 : 439.77 = 110.54 : x
  2. Step 2: Convert to fraction form
    293.18/439.77 = 110.54/x
  3. Step 3: Cross multiply
    293.18x = 439.77 × 110.54
  4. Step 4: Simplify right side
    293.18x = 48,609.98
  5. Step 5: Solve for x
    x = 48,609.98/293.18
  6. Step 6: Final answer
    x = 165.80

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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.