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Finding the Fourth Proportional to 69,796.73, 104,652.81 and 31,321.17

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Solution

The fourth proportional to 69,796.73, 104,652.81 and 31,321.17 is: 46,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,796.73 : 104,652.81 = 31,321.17 : x
  2. Step 2: Convert to fraction form
    69,796.73/104,652.81 = 31,321.17/x
  3. Step 3: Cross multiply
    69,796.73x = 104,652.81 × 31,321.17
  4. Step 4: Simplify right side
    69,796.73x = 3,277,848,452.99
  5. Step 5: Solve for x
    x = 3,277,848,452.99/69,796.73
  6. Step 6: Final answer
    x = 46,962.78

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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.