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Finding the Fourth Proportional to 110,003.20, 165,016.95 and 35,110.60

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Solution

The fourth proportional to 110,003.20, 165,016.95 and 35,110.60 is: 52,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,003.20 : 165,016.95 = 35,110.60 : x
  2. Step 2: Convert to fraction form
    110,003.20/165,016.95 = 35,110.60/x
  3. Step 3: Cross multiply
    110,003.20x = 165,016.95 × 35,110.60
  4. Step 4: Simplify right side
    110,003.20x = 5,793,844,124.67
  5. Step 5: Solve for x
    x = 5,793,844,124.67/110,003.20
  6. Step 6: Final answer
    x = 52,669.78

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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.