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Finding the Fourth Proportional to 81,676.73, 122,492.97 and 22,498.33

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Solution

The fourth proportional to 81,676.73, 122,492.97 and 22,498.33 is: 33,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,676.73 : 122,492.97 = 22,498.33 : x
  2. Step 2: Convert to fraction form
    81,676.73/122,492.97 = 22,498.33/x
  3. Step 3: Cross multiply
    81,676.73x = 122,492.97 × 22,498.33
  4. Step 4: Simplify right side
    81,676.73x = 2,755,887,261.74
  5. Step 5: Solve for x
    x = 2,755,887,261.74/81,676.73
  6. Step 6: Final answer
    x = 33,741.40

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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.