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Finding the Fourth Proportional to 104,843.03, 157,133.39 and 82,568.43

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Solution

The fourth proportional to 104,843.03, 157,133.39 and 82,568.43 is: 123,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,843.03 : 157,133.39 = 82,568.43 : x
  2. Step 2: Convert to fraction form
    104,843.03/157,133.39 = 82,568.43/x
  3. Step 3: Cross multiply
    104,843.03x = 157,133.39 × 82,568.43
  4. Step 4: Simplify right side
    104,843.03x = 12,974,256,900.04
  5. Step 5: Solve for x
    x = 12,974,256,900.04/104,843.03
  6. Step 6: Final answer
    x = 123,749.36

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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.