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Finding the Fourth Proportional to 116,841.56, 161,190.79 and 73,791.14

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Solution

The fourth proportional to 116,841.56, 161,190.79 and 73,791.14 is: 101,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,841.56 : 161,190.79 = 73,791.14 : x
  2. Step 2: Convert to fraction form
    116,841.56/161,190.79 = 73,791.14/x
  3. Step 3: Cross multiply
    116,841.56x = 161,190.79 × 73,791.14
  4. Step 4: Simplify right side
    116,841.56x = 11,894,451,161.17
  5. Step 5: Solve for x
    x = 11,894,451,161.17/116,841.56
  6. Step 6: Final answer
    x = 101,799.84

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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.