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Finding the Fourth Proportional to 79,807.84, 110,134.38 and 43,997.72

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Solution

The fourth proportional to 79,807.84, 110,134.38 and 43,997.72 is: 60,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,807.84 : 110,134.38 = 43,997.72 : x
  2. Step 2: Convert to fraction form
    79,807.84/110,134.38 = 43,997.72/x
  3. Step 3: Cross multiply
    79,807.84x = 110,134.38 × 43,997.72
  4. Step 4: Simplify right side
    79,807.84x = 4,845,661,613.61
  5. Step 5: Solve for x
    x = 4,845,661,613.61/79,807.84
  6. Step 6: Final answer
    x = 60,716.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.