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Finding the Fourth Proportional to 72,797.41, 109,196.72 and 22,876.39

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Solution

The fourth proportional to 72,797.41, 109,196.72 and 22,876.39 is: 34,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,797.41 : 109,196.72 = 22,876.39 : x
  2. Step 2: Convert to fraction form
    72,797.41/109,196.72 = 22,876.39/x
  3. Step 3: Cross multiply
    72,797.41x = 109,196.72 × 22,876.39
  4. Step 4: Simplify right side
    72,797.41x = 2,498,026,753.44
  5. Step 5: Solve for x
    x = 2,498,026,753.44/72,797.41
  6. Step 6: Final answer
    x = 34,314.78

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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.