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Finding the Fourth Proportional to 79,794.21, 110,115.98 and 43,984.82

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Solution

The fourth proportional to 79,794.21, 110,115.98 and 43,984.82 is: 60,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.21 : 110,115.98 = 43,984.82 : x
  2. Step 2: Convert to fraction form
    79,794.21/110,115.98 = 43,984.82/x
  3. Step 3: Cross multiply
    79,794.21x = 110,115.98 × 43,984.82
  4. Step 4: Simplify right side
    79,794.21x = 4,843,430,898.88
  5. Step 5: Solve for x
    x = 4,843,430,898.88/79,794.21
  6. Step 6: Final answer
    x = 60,699.03

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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.