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Finding the Fourth Proportional to 188,133.43, 259,628.52 and 107,568.49

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Solution

The fourth proportional to 188,133.43, 259,628.52 and 107,568.49 is: 148,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,133.43 : 259,628.52 = 107,568.49 : x
  2. Step 2: Convert to fraction form
    188,133.43/259,628.52 = 107,568.49/x
  3. Step 3: Cross multiply
    188,133.43x = 259,628.52 × 107,568.49
  4. Step 4: Simplify right side
    188,133.43x = 27,927,847,857.33
  5. Step 5: Solve for x
    x = 27,927,847,857.33/188,133.43
  6. Step 6: Final answer
    x = 148,447.02

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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.