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Finding the Fourth Proportional to 293.64, 440.43 and 110.95

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Solution

The fourth proportional to 293.64, 440.43 and 110.95 is: 166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.64 : 440.43 = 110.95 : x
  2. Step 2: Convert to fraction form
    293.64/440.43 = 110.95/x
  3. Step 3: Cross multiply
    293.64x = 440.43 × 110.95
  4. Step 4: Simplify right side
    293.64x = 48,865.71
  5. Step 5: Solve for x
    x = 48,865.71/293.64
  6. Step 6: Final answer
    x = 166.41

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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.