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Finding the Fourth Proportional to 79,993.10, 120,009.36 and 23,832.97

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Solution

The fourth proportional to 79,993.10, 120,009.36 and 23,832.97 is: 35,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,993.10 : 120,009.36 = 23,832.97 : x
  2. Step 2: Convert to fraction form
    79,993.10/120,009.36 = 23,832.97/x
  3. Step 3: Cross multiply
    79,993.10x = 120,009.36 × 23,832.97
  4. Step 4: Simplify right side
    79,993.10x = 2,860,179,265.95
  5. Step 5: Solve for x
    x = 2,860,179,265.95/79,993.10
  6. Step 6: Final answer
    x = 35,755.32

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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.