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Finding the Fourth Proportional to 79,794.36, 110,115.72 and 43,495.80

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Solution

The fourth proportional to 79,794.36, 110,115.72 and 43,495.80 is: 60,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.36 : 110,115.72 = 43,495.80 : x
  2. Step 2: Convert to fraction form
    79,794.36/110,115.72 = 43,495.80/x
  3. Step 3: Cross multiply
    79,794.36x = 110,115.72 × 43,495.80
  4. Step 4: Simplify right side
    79,794.36x = 4,789,571,333.98
  5. Step 5: Solve for x
    x = 4,789,571,333.98/79,794.36
  6. Step 6: Final answer
    x = 60,023.93

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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.