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Finding the Fourth Proportional to 247,908.97, 371,797.03 and 107,634.25

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Solution

The fourth proportional to 247,908.97, 371,797.03 and 107,634.25 is: 161,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,908.97 : 371,797.03 = 107,634.25 : x
  2. Step 2: Convert to fraction form
    247,908.97/371,797.03 = 107,634.25/x
  3. Step 3: Cross multiply
    247,908.97x = 371,797.03 × 107,634.25
  4. Step 4: Simplify right side
    247,908.97x = 40,018,094,476.28
  5. Step 5: Solve for x
    x = 40,018,094,476.28/247,908.97
  6. Step 6: Final answer
    x = 161,422.54

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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.