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Finding the Fourth Proportional to 110,464.20, 165,769.20 and 63,079.20

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Solution

The fourth proportional to 110,464.20, 165,769.20 and 63,079.20 is: 94,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,464.20 : 165,769.20 = 63,079.20 : x
  2. Step 2: Convert to fraction form
    110,464.20/165,769.20 = 63,079.20/x
  3. Step 3: Cross multiply
    110,464.20x = 165,769.20 × 63,079.20
  4. Step 4: Simplify right side
    110,464.20x = 10,456,588,520.64
  5. Step 5: Solve for x
    x = 10,456,588,520.64/110,464.20
  6. Step 6: Final answer
    x = 94,660.43

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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.