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Finding the Fourth Proportional to 79,008.66, 109,105.11 and 50,763.96

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Solution

The fourth proportional to 79,008.66, 109,105.11 and 50,763.96 is: 70,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,008.66 : 109,105.11 = 50,763.96 : x
  2. Step 2: Convert to fraction form
    79,008.66/109,105.11 = 50,763.96/x
  3. Step 3: Cross multiply
    79,008.66x = 109,105.11 × 50,763.96
  4. Step 4: Simplify right side
    79,008.66x = 5,538,607,439.84
  5. Step 5: Solve for x
    x = 5,538,607,439.84/79,008.66
  6. Step 6: Final answer
    x = 70,101.27

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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.