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Finding the Fourth Proportional to 79,806.46, 110,133.66 and 43,997.74

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Solution

The fourth proportional to 79,806.46, 110,133.66 and 43,997.74 is: 60,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,806.46 : 110,133.66 = 43,997.74 : x
  2. Step 2: Convert to fraction form
    79,806.46/110,133.66 = 43,997.74/x
  3. Step 3: Cross multiply
    79,806.46x = 110,133.66 × 43,997.74
  4. Step 4: Simplify right side
    79,806.46x = 4,845,632,137.93
  5. Step 5: Solve for x
    x = 4,845,632,137.93/79,806.46
  6. Step 6: Final answer
    x = 60,717.29

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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.