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Finding the Fourth Proportional to 71,160.51, 106,736.92 and 36,099.26

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Solution

The fourth proportional to 71,160.51, 106,736.92 and 36,099.26 is: 54,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,160.51 : 106,736.92 = 36,099.26 : x
  2. Step 2: Convert to fraction form
    71,160.51/106,736.92 = 36,099.26/x
  3. Step 3: Cross multiply
    71,160.51x = 106,736.92 × 36,099.26
  4. Step 4: Simplify right side
    71,160.51x = 3,853,123,826.68
  5. Step 5: Solve for x
    x = 3,853,123,826.68/71,160.51
  6. Step 6: Final answer
    x = 54,146.94

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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.