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Finding the Fourth Proportional to 116,942.59, 161,380.64 and 63,227.48

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Solution

The fourth proportional to 116,942.59, 161,380.64 and 63,227.48 is: 87,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,942.59 : 161,380.64 = 63,227.48 : x
  2. Step 2: Convert to fraction form
    116,942.59/161,380.64 = 63,227.48/x
  3. Step 3: Cross multiply
    116,942.59x = 161,380.64 × 63,227.48
  4. Step 4: Simplify right side
    116,942.59x = 10,203,691,187.99
  5. Step 5: Solve for x
    x = 10,203,691,187.99/116,942.59
  6. Step 6: Final answer
    x = 87,253.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.