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Finding the Fourth Proportional to 79,763.78, 110,069.06 and 43,951.80

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Solution

The fourth proportional to 79,763.78, 110,069.06 and 43,951.80 is: 60,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.78 : 110,069.06 = 43,951.80 : x
  2. Step 2: Convert to fraction form
    79,763.78/110,069.06 = 43,951.80/x
  3. Step 3: Cross multiply
    79,763.78x = 110,069.06 × 43,951.80
  4. Step 4: Simplify right side
    79,763.78x = 4,837,733,311.31
  5. Step 5: Solve for x
    x = 4,837,733,311.31/79,763.78
  6. Step 6: Final answer
    x = 60,650.75

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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.