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Finding the Fourth Proportional to 156,794.73, 235,149.90 and 68,027.37

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Solution

The fourth proportional to 156,794.73, 235,149.90 and 68,027.37 is: 102,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,794.73 : 235,149.90 = 68,027.37 : x
  2. Step 2: Convert to fraction form
    156,794.73/235,149.90 = 68,027.37/x
  3. Step 3: Cross multiply
    156,794.73x = 235,149.90 × 68,027.37
  4. Step 4: Simplify right side
    156,794.73x = 15,996,629,252.76
  5. Step 5: Solve for x
    x = 15,996,629,252.76/156,794.73
  6. Step 6: Final answer
    x = 102,022.75

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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.