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Finding the Fourth Proportional to 79,610.44, 109,861.20 and 43,798.30

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Solution

The fourth proportional to 79,610.44, 109,861.20 and 43,798.30 is: 60,440.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,610.44 : 109,861.20 = 43,798.30 : x
  2. Step 2: Convert to fraction form
    79,610.44/109,861.20 = 43,798.30/x
  3. Step 3: Cross multiply
    79,610.44x = 109,861.20 × 43,798.30
  4. Step 4: Simplify right side
    79,610.44x = 4,811,733,795.96
  5. Step 5: Solve for x
    x = 4,811,733,795.96/79,610.44
  6. Step 6: Final answer
    x = 60,440.99

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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.