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Finding the Fourth Proportional to 123,467.52, 185,163.12 and 44,571.54

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Solution

The fourth proportional to 123,467.52, 185,163.12 and 44,571.54 is: 66,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,467.52 : 185,163.12 = 44,571.54 : x
  2. Step 2: Convert to fraction form
    123,467.52/185,163.12 = 44,571.54/x
  3. Step 3: Cross multiply
    123,467.52x = 185,163.12 × 44,571.54
  4. Step 4: Simplify right side
    123,467.52x = 8,253,005,409.60
  5. Step 5: Solve for x
    x = 8,253,005,409.60/123,467.52
  6. Step 6: Final answer
    x = 66,843.53

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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.