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Finding the Fourth Proportional to 79,956.88, 110,342.21 and 44,149.16

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Solution

The fourth proportional to 79,956.88, 110,342.21 and 44,149.16 is: 60,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,956.88 : 110,342.21 = 44,149.16 : x
  2. Step 2: Convert to fraction form
    79,956.88/110,342.21 = 44,149.16/x
  3. Step 3: Cross multiply
    79,956.88x = 110,342.21 × 44,149.16
  4. Step 4: Simplify right side
    79,956.88x = 4,871,515,442.71
  5. Step 5: Solve for x
    x = 4,871,515,442.71/79,956.88
  6. Step 6: Final answer
    x = 60,926.78

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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.