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Finding the Fourth Proportional to 79,871.91, 110,224.08 and 44,061.60

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Solution

The fourth proportional to 79,871.91, 110,224.08 and 44,061.60 is: 60,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,871.91 : 110,224.08 = 44,061.60 : x
  2. Step 2: Convert to fraction form
    79,871.91/110,224.08 = 44,061.60/x
  3. Step 3: Cross multiply
    79,871.91x = 110,224.08 × 44,061.60
  4. Step 4: Simplify right side
    79,871.91x = 4,856,649,323.33
  5. Step 5: Solve for x
    x = 4,856,649,323.33/79,871.91
  6. Step 6: Final answer
    x = 60,805.47

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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.