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Finding the Fourth Proportional to 81,508.94, 122,264.27 and 22,344.62

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Solution

The fourth proportional to 81,508.94, 122,264.27 and 22,344.62 is: 33,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,508.94 : 122,264.27 = 22,344.62 : x
  2. Step 2: Convert to fraction form
    81,508.94/122,264.27 = 22,344.62/x
  3. Step 3: Cross multiply
    81,508.94x = 122,264.27 × 22,344.62
  4. Step 4: Simplify right side
    81,508.94x = 2,731,948,013.48
  5. Step 5: Solve for x
    x = 2,731,948,013.48/81,508.94
  6. Step 6: Final answer
    x = 33,517.16

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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.