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Finding the Fourth Proportional to 293.66, 440.60 and 111.08

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Solution

The fourth proportional to 293.66, 440.60 and 111.08 is: 166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.66 : 440.60 = 111.08 : x
  2. Step 2: Convert to fraction form
    293.66/440.60 = 111.08/x
  3. Step 3: Cross multiply
    293.66x = 440.60 × 111.08
  4. Step 4: Simplify right side
    293.66x = 48,941.85
  5. Step 5: Solve for x
    x = 48,941.85/293.66
  6. Step 6: Final answer
    x = 166.66

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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.