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Finding the Fourth Proportional to 79,604.84, 109,850.69 and 43,793.93

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Solution

The fourth proportional to 79,604.84, 109,850.69 and 43,793.93 is: 60,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,604.84 : 109,850.69 = 43,793.93 : x
  2. Step 2: Convert to fraction form
    79,604.84/109,850.69 = 43,793.93/x
  3. Step 3: Cross multiply
    79,604.84x = 109,850.69 × 43,793.93
  4. Step 4: Simplify right side
    79,604.84x = 4,810,793,812.42
  5. Step 5: Solve for x
    x = 4,810,793,812.42/79,604.84
  6. Step 6: Final answer
    x = 60,433.43

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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.