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Finding the Fourth Proportional to 188,744.50, 260,469.23 and 103,863.39

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Solution

The fourth proportional to 188,744.50, 260,469.23 and 103,863.39 is: 143,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,744.50 : 260,469.23 = 103,863.39 : x
  2. Step 2: Convert to fraction form
    188,744.50/260,469.23 = 103,863.39/x
  3. Step 3: Cross multiply
    188,744.50x = 260,469.23 × 103,863.39
  4. Step 4: Simplify right side
    188,744.50x = 27,053,217,218.49
  5. Step 5: Solve for x
    x = 27,053,217,218.49/188,744.50
  6. Step 6: Final answer
    x = 143,332.48

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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.