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Finding the Fourth Proportional to 79,750.17, 110,052.57 and 43,940.78

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Solution

The fourth proportional to 79,750.17, 110,052.57 and 43,940.78 is: 60,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,750.17 : 110,052.57 = 43,940.78 : x
  2. Step 2: Convert to fraction form
    79,750.17/110,052.57 = 43,940.78/x
  3. Step 3: Cross multiply
    79,750.17x = 110,052.57 × 43,940.78
  4. Step 4: Simplify right side
    79,750.17x = 4,835,795,794.02
  5. Step 5: Solve for x
    x = 4,835,795,794.02/79,750.17
  6. Step 6: Final answer
    x = 60,636.81

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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.