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Finding the Fourth Proportional to 79,808.07, 110,134.74 and 43,997.97

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Solution

The fourth proportional to 79,808.07, 110,134.74 and 43,997.97 is: 60,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.07 : 110,134.74 = 43,997.97 : x
  2. Step 2: Convert to fraction form
    79,808.07/110,134.74 = 43,997.97/x
  3. Step 3: Cross multiply
    79,808.07x = 110,134.74 × 43,997.97
  4. Step 4: Simplify right side
    79,808.07x = 4,845,704,986.48
  5. Step 5: Solve for x
    x = 4,845,704,986.48/79,808.07
  6. Step 6: Final answer
    x = 60,716.98

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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.