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Finding the Fourth Proportional to 79,819.68, 110,152.02 and 43,520.83

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Solution

The fourth proportional to 79,819.68, 110,152.02 and 43,520.83 is: 60,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,819.68 : 110,152.02 = 43,520.83 : x
  2. Step 2: Convert to fraction form
    79,819.68/110,152.02 = 43,520.83/x
  3. Step 3: Cross multiply
    79,819.68x = 110,152.02 × 43,520.83
  4. Step 4: Simplify right side
    79,819.68x = 4,793,907,336.58
  5. Step 5: Solve for x
    x = 4,793,907,336.58/79,819.68
  6. Step 6: Final answer
    x = 60,059.22

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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.