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Finding the Fourth Proportional to 188,229.40, 259,757.01 and 103,351.93

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Solution

The fourth proportional to 188,229.40, 259,757.01 and 103,351.93 is: 142,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,229.40 : 259,757.01 = 103,351.93 : x
  2. Step 2: Convert to fraction form
    188,229.40/259,757.01 = 103,351.93/x
  3. Step 3: Cross multiply
    188,229.40x = 259,757.01 × 103,351.93
  4. Step 4: Simplify right side
    188,229.40x = 26,846,387,015.74
  5. Step 5: Solve for x
    x = 26,846,387,015.74/188,229.40
  6. Step 6: Final answer
    x = 142,625.90

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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.