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Finding the Fourth Proportional to 79,960.46, 110,344.66 and 44,149.70

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Solution

The fourth proportional to 79,960.46, 110,344.66 and 44,149.70 is: 60,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,960.46 : 110,344.66 = 44,149.70 : x
  2. Step 2: Convert to fraction form
    79,960.46/110,344.66 = 44,149.70/x
  3. Step 3: Cross multiply
    79,960.46x = 110,344.66 × 44,149.70
  4. Step 4: Simplify right side
    79,960.46x = 4,871,683,801.09
  5. Step 5: Solve for x
    x = 4,871,683,801.09/79,960.46
  6. Step 6: Final answer
    x = 60,926.16

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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.