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Finding the Fourth Proportional to 139,073.85, 208,610.78 and 33,893.73

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Solution

The fourth proportional to 139,073.85, 208,610.78 and 33,893.73 is: 50,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,073.85 : 208,610.78 = 33,893.73 : x
  2. Step 2: Convert to fraction form
    139,073.85/208,610.78 = 33,893.73/x
  3. Step 3: Cross multiply
    139,073.85x = 208,610.78 × 33,893.73
  4. Step 4: Simplify right side
    139,073.85x = 7,070,597,282.94
  5. Step 5: Solve for x
    x = 7,070,597,282.94/139,073.85
  6. Step 6: Final answer
    x = 50,840.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.