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Finding the Fourth Proportional to 79,871.10, 110,220.74 and 44,064.54

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Solution

The fourth proportional to 79,871.10, 110,220.74 and 44,064.54 is: 60,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,871.10 : 110,220.74 = 44,064.54 : x
  2. Step 2: Convert to fraction form
    79,871.10/110,220.74 = 44,064.54/x
  3. Step 3: Cross multiply
    79,871.10x = 110,220.74 × 44,064.54
  4. Step 4: Simplify right side
    79,871.10x = 4,856,826,206.56
  5. Step 5: Solve for x
    x = 4,856,826,206.56/79,871.10
  6. Step 6: Final answer
    x = 60,808.30

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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.