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Finding the Fourth Proportional to 116,999.97, 175,529.25 and 67,136.37

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Solution

The fourth proportional to 116,999.97, 175,529.25 and 67,136.37 is: 100,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,999.97 : 175,529.25 = 67,136.37 : x
  2. Step 2: Convert to fraction form
    116,999.97/175,529.25 = 67,136.37/x
  3. Step 3: Cross multiply
    116,999.97x = 175,529.25 × 67,136.37
  4. Step 4: Simplify right side
    116,999.97x = 11,784,396,673.82
  5. Step 5: Solve for x
    x = 11,784,396,673.82/116,999.97
  6. Step 6: Final answer
    x = 100,721.36

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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.