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Finding the Fourth Proportional to 111,027.71, 166,540.02 and 26,787.17

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Solution

The fourth proportional to 111,027.71, 166,540.02 and 26,787.17 is: 40,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.71 : 166,540.02 = 26,787.17 : x
  2. Step 2: Convert to fraction form
    111,027.71/166,540.02 = 26,787.17/x
  3. Step 3: Cross multiply
    111,027.71x = 166,540.02 × 26,787.17
  4. Step 4: Simplify right side
    111,027.71x = 4,461,135,694.71
  5. Step 5: Solve for x
    x = 4,461,135,694.71/111,027.71
  6. Step 6: Final answer
    x = 40,180.38

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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.