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Finding the Fourth Proportional to 89,372.97, 134,059.32 and 22,813.11

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Solution

The fourth proportional to 89,372.97, 134,059.32 and 22,813.11 is: 34,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,372.97 : 134,059.32 = 22,813.11 : x
  2. Step 2: Convert to fraction form
    89,372.97/134,059.32 = 22,813.11/x
  3. Step 3: Cross multiply
    89,372.97x = 134,059.32 × 22,813.11
  4. Step 4: Simplify right side
    89,372.97x = 3,058,310,013.69
  5. Step 5: Solve for x
    x = 3,058,310,013.69/89,372.97
  6. Step 6: Final answer
    x = 34,219.63

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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.