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Finding the Fourth Proportional to 79,756.67, 110,060.24 and 43,940.90

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Solution

The fourth proportional to 79,756.67, 110,060.24 and 43,940.90 is: 60,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,756.67 : 110,060.24 = 43,940.90 : x
  2. Step 2: Convert to fraction form
    79,756.67/110,060.24 = 43,940.90/x
  3. Step 3: Cross multiply
    79,756.67x = 110,060.24 × 43,940.90
  4. Step 4: Simplify right side
    79,756.67x = 4,836,146,055.26
  5. Step 5: Solve for x
    x = 4,836,146,055.26/79,756.67
  6. Step 6: Final answer
    x = 60,636.26

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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.