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Finding the Fourth Proportional to 162,745.92, 244,067.04 and 51,912

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Solution

The fourth proportional to 162,745.92, 244,067.04 and 51,912 is: 77,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,745.92 : 244,067.04 = 51,912 : x
  2. Step 2: Convert to fraction form
    162,745.92/244,067.04 = 51,912/x
  3. Step 3: Cross multiply
    162,745.92x = 244,067.04 × 51,912
  4. Step 4: Simplify right side
    162,745.92x = 12,670,008,180.48
  5. Step 5: Solve for x
    x = 12,670,008,180.48/162,745.92
  6. Step 6: Final answer
    x = 77,851.46

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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.