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Finding the Fourth Proportional to 111,260.73, 166,891.05 and 73,893.75

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Solution

The fourth proportional to 111,260.73, 166,891.05 and 73,893.75 is: 110,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.73 : 166,891.05 = 73,893.75 : x
  2. Step 2: Convert to fraction form
    111,260.73/166,891.05 = 73,893.75/x
  3. Step 3: Cross multiply
    111,260.73x = 166,891.05 × 73,893.75
  4. Step 4: Simplify right side
    111,260.73x = 12,332,205,525.94
  5. Step 5: Solve for x
    x = 12,332,205,525.94/111,260.73
  6. Step 6: Final answer
    x = 110,840.60

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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.