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Finding the Fourth Proportional to 110,251.29, 165,245.70 and 63,405.75

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Solution

The fourth proportional to 110,251.29, 165,245.70 and 63,405.75 is: 95,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,251.29 : 165,245.70 = 63,405.75 : x
  2. Step 2: Convert to fraction form
    110,251.29/165,245.70 = 63,405.75/x
  3. Step 3: Cross multiply
    110,251.29x = 165,245.70 × 63,405.75
  4. Step 4: Simplify right side
    110,251.29x = 10,477,527,542.78
  5. Step 5: Solve for x
    x = 10,477,527,542.78/110,251.29
  6. Step 6: Final answer
    x = 95,033.15

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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.