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Finding the Fourth Proportional to 110,761.66, 166,138.17 and 36,889.66

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Solution

The fourth proportional to 110,761.66, 166,138.17 and 36,889.66 is: 55,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,761.66 : 166,138.17 = 36,889.66 : x
  2. Step 2: Convert to fraction form
    110,761.66/166,138.17 = 36,889.66/x
  3. Step 3: Cross multiply
    110,761.66x = 166,138.17 × 36,889.66
  4. Step 4: Simplify right side
    110,761.66x = 6,128,780,604.32
  5. Step 5: Solve for x
    x = 6,128,780,604.32/110,761.66
  6. Step 6: Final answer
    x = 55,333.05

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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.