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Finding the Fourth Proportional to 122,571.04, 169,163.82 and 68,856.04

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Solution

The fourth proportional to 122,571.04, 169,163.82 and 68,856.04 is: 95,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,571.04 : 169,163.82 = 68,856.04 : x
  2. Step 2: Convert to fraction form
    122,571.04/169,163.82 = 68,856.04/x
  3. Step 3: Cross multiply
    122,571.04x = 169,163.82 × 68,856.04
  4. Step 4: Simplify right side
    122,571.04x = 11,647,950,756.47
  5. Step 5: Solve for x
    x = 11,647,950,756.47/122,571.04
  6. Step 6: Final answer
    x = 95,030.20

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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.