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Finding the Fourth Proportional to 80,063.36, 120,101.28 and 46,786.88

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Solution

The fourth proportional to 80,063.36, 120,101.28 and 46,786.88 is: 70,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063.36 : 120,101.28 = 46,786.88 : x
  2. Step 2: Convert to fraction form
    80,063.36/120,101.28 = 46,786.88/x
  3. Step 3: Cross multiply
    80,063.36x = 120,101.28 × 46,786.88
  4. Step 4: Simplify right side
    80,063.36x = 5,619,164,175.21
  5. Step 5: Solve for x
    x = 5,619,164,175.21/80,063.36
  6. Step 6: Final answer
    x = 70,183.97

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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.