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Finding the Fourth Proportional to 68,161.94, 102,251.43 and 22,571.49

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Solution

The fourth proportional to 68,161.94, 102,251.43 and 22,571.49 is: 33,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,161.94 : 102,251.43 = 22,571.49 : x
  2. Step 2: Convert to fraction form
    68,161.94/102,251.43 = 22,571.49/x
  3. Step 3: Cross multiply
    68,161.94x = 102,251.43 × 22,571.49
  4. Step 4: Simplify right side
    68,161.94x = 2,307,967,129.73
  5. Step 5: Solve for x
    x = 2,307,967,129.73/68,161.94
  6. Step 6: Final answer
    x = 33,860.06

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1.5x scale

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.