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Finding the Fourth Proportional to 79,013.26, 118,523.54 and 43,926.49

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Solution

The fourth proportional to 79,013.26, 118,523.54 and 43,926.49 is: 65,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,013.26 : 118,523.54 = 43,926.49 : x
  2. Step 2: Convert to fraction form
    79,013.26/118,523.54 = 43,926.49/x
  3. Step 3: Cross multiply
    79,013.26x = 118,523.54 × 43,926.49
  4. Step 4: Simplify right side
    79,013.26x = 5,206,323,094.57
  5. Step 5: Solve for x
    x = 5,206,323,094.57/79,013.26
  6. Step 6: Final answer
    x = 65,891.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.