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Finding the Fourth Proportional to 110,403.80, 165,523.26 and 35,481.20

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Solution

The fourth proportional to 110,403.80, 165,523.26 and 35,481.20 is: 53,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,403.80 : 165,523.26 = 35,481.20 : x
  2. Step 2: Convert to fraction form
    110,403.80/165,523.26 = 35,481.20/x
  3. Step 3: Cross multiply
    110,403.80x = 165,523.26 × 35,481.20
  4. Step 4: Simplify right side
    110,403.80x = 5,872,963,892.71
  5. Step 5: Solve for x
    x = 5,872,963,892.71/110,403.80
  6. Step 6: Final answer
    x = 53,195.31

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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.