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Finding the Fourth Proportional to 188,297.37, 259,852.41 and 103,414.43

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Solution

The fourth proportional to 188,297.37, 259,852.41 and 103,414.43 is: 142,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,297.37 : 259,852.41 = 103,414.43 : x
  2. Step 2: Convert to fraction form
    188,297.37/259,852.41 = 103,414.43/x
  3. Step 3: Cross multiply
    188,297.37x = 259,852.41 × 103,414.43
  4. Step 4: Simplify right side
    188,297.37x = 26,872,488,864.28
  5. Step 5: Solve for x
    x = 26,872,488,864.28/188,297.37
  6. Step 6: Final answer
    x = 142,713.03

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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.