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Finding the Fourth Proportional to 293.12, 439.59 and 110.48

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Solution

The fourth proportional to 293.12, 439.59 and 110.48 is: 165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.12 : 439.59 = 110.48 : x
  2. Step 2: Convert to fraction form
    293.12/439.59 = 110.48/x
  3. Step 3: Cross multiply
    293.12x = 439.59 × 110.48
  4. Step 4: Simplify right side
    293.12x = 48,565.90
  5. Step 5: Solve for x
    x = 48,565.90/293.12
  6. Step 6: Final answer
    x = 165.69

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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.