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Finding the Fourth Proportional to 119,791.41, 165,294.37 and 68,806.36

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Solution

The fourth proportional to 119,791.41, 165,294.37 and 68,806.36 is: 94,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,791.41 : 165,294.37 = 68,806.36 : x
  2. Step 2: Convert to fraction form
    119,791.41/165,294.37 = 68,806.36/x
  3. Step 3: Cross multiply
    119,791.41x = 165,294.37 × 68,806.36
  4. Step 4: Simplify right side
    119,791.41x = 11,373,304,220.82
  5. Step 5: Solve for x
    x = 11,373,304,220.82/119,791.41
  6. Step 6: Final answer
    x = 94,942.57

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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.