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Finding the Fourth Proportional to 79,808.86, 110,134.20 and 43,998.04

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Solution

The fourth proportional to 79,808.86, 110,134.20 and 43,998.04 is: 60,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.86 : 110,134.20 = 43,998.04 : x
  2. Step 2: Convert to fraction form
    79,808.86/110,134.20 = 43,998.04/x
  3. Step 3: Cross multiply
    79,808.86x = 110,134.20 × 43,998.04
  4. Step 4: Simplify right side
    79,808.86x = 4,845,688,936.97
  5. Step 5: Solve for x
    x = 4,845,688,936.97/79,808.86
  6. Step 6: Final answer
    x = 60,716.18

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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.