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Finding the Fourth Proportional to 79,845, 119,764.26 and 23,682.84

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Solution

The fourth proportional to 79,845, 119,764.26 and 23,682.84 is: 35,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,845 : 119,764.26 = 23,682.84 : x
  2. Step 2: Convert to fraction form
    79,845/119,764.26 = 23,682.84/x
  3. Step 3: Cross multiply
    79,845x = 119,764.26 × 23,682.84
  4. Step 4: Simplify right side
    79,845x = 2,836,357,807.30
  5. Step 5: Solve for x
    x = 2,836,357,807.30/79,845
  6. Step 6: Final answer
    x = 35,523.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.