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Finding the Fourth Proportional to 79,805.06, 110,125.92 and 43,993.10

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Solution

The fourth proportional to 79,805.06, 110,125.92 and 43,993.10 is: 60,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,805.06 : 110,125.92 = 43,993.10 : x
  2. Step 2: Convert to fraction form
    79,805.06/110,125.92 = 43,993.10/x
  3. Step 3: Cross multiply
    79,805.06x = 110,125.92 × 43,993.10
  4. Step 4: Simplify right side
    79,805.06x = 4,844,780,611.15
  5. Step 5: Solve for x
    x = 4,844,780,611.15/79,805.06
  6. Step 6: Final answer
    x = 60,707.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.