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Finding the Fourth Proportional to 99,672.22, 149,537.22 and 29,553.22

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Solution

The fourth proportional to 99,672.22, 149,537.22 and 29,553.22 is: 44,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,672.22 : 149,537.22 = 29,553.22 : x
  2. Step 2: Convert to fraction form
    99,672.22/149,537.22 = 29,553.22/x
  3. Step 3: Cross multiply
    99,672.22x = 149,537.22 × 29,553.22
  4. Step 4: Simplify right side
    99,672.22x = 4,419,306,360.85
  5. Step 5: Solve for x
    x = 4,419,306,360.85/99,672.22
  6. Step 6: Final answer
    x = 44,338.40

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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.