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Finding the Fourth Proportional to 79,607.87, 109,858.85 and 43,797.11

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Solution

The fourth proportional to 79,607.87, 109,858.85 and 43,797.11 is: 60,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,607.87 : 109,858.85 = 43,797.11 : x
  2. Step 2: Convert to fraction form
    79,607.87/109,858.85 = 43,797.11/x
  3. Step 3: Cross multiply
    79,607.87x = 109,858.85 × 43,797.11
  4. Step 4: Simplify right side
    79,607.87x = 4,811,500,137.92
  5. Step 5: Solve for x
    x = 4,811,500,137.92/79,607.87
  6. Step 6: Final answer
    x = 60,440.01

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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.