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Finding the Fourth Proportional to 81,952.52, 122,851.02 and 29,334.92

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Solution

The fourth proportional to 81,952.52, 122,851.02 and 29,334.92 is: 43,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,952.52 : 122,851.02 = 29,334.92 : x
  2. Step 2: Convert to fraction form
    81,952.52/122,851.02 = 29,334.92/x
  3. Step 3: Cross multiply
    81,952.52x = 122,851.02 × 29,334.92
  4. Step 4: Simplify right side
    81,952.52x = 3,603,824,843.62
  5. Step 5: Solve for x
    x = 3,603,824,843.62/81,952.52
  6. Step 6: Final answer
    x = 43,974.55

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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.