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Finding the Fourth Proportional to 79,605.84, 109,858.74 and 43,797.36

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Solution

The fourth proportional to 79,605.84, 109,858.74 and 43,797.36 is: 60,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,605.84 : 109,858.74 = 43,797.36 : x
  2. Step 2: Convert to fraction form
    79,605.84/109,858.74 = 43,797.36/x
  3. Step 3: Cross multiply
    79,605.84x = 109,858.74 × 43,797.36
  4. Step 4: Simplify right side
    79,605.84x = 4,811,522,784.93
  5. Step 5: Solve for x
    x = 4,811,522,784.93/79,605.84
  6. Step 6: Final answer
    x = 60,441.83

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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.