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Finding the Fourth Proportional to 79,865.60, 110,213.16 and 44,059.04

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Solution

The fourth proportional to 79,865.60, 110,213.16 and 44,059.04 is: 60,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,865.60 : 110,213.16 = 44,059.04 : x
  2. Step 2: Convert to fraction form
    79,865.60/110,213.16 = 44,059.04/x
  3. Step 3: Cross multiply
    79,865.60x = 110,213.16 × 44,059.04
  4. Step 4: Simplify right side
    79,865.60x = 4,855,886,024.97
  5. Step 5: Solve for x
    x = 4,855,886,024.97/79,865.60
  6. Step 6: Final answer
    x = 60,800.72

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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.