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Finding the Fourth Proportional to 79,604.83, 109,857.36 and 43,796.35

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Solution

The fourth proportional to 79,604.83, 109,857.36 and 43,796.35 is: 60,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,604.83 : 109,857.36 = 43,796.35 : x
  2. Step 2: Convert to fraction form
    79,604.83/109,857.36 = 43,796.35/x
  3. Step 3: Cross multiply
    79,604.83x = 109,857.36 × 43,796.35
  4. Step 4: Simplify right side
    79,604.83x = 4,811,351,388.64
  5. Step 5: Solve for x
    x = 4,811,351,388.64/79,604.83
  6. Step 6: Final answer
    x = 60,440.45

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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.