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Finding the Fourth Proportional to 110,059.80, 165,027.72 and 35,162.40

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Solution

The fourth proportional to 110,059.80, 165,027.72 and 35,162.40 is: 52,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,059.80 : 165,027.72 = 35,162.40 : x
  2. Step 2: Convert to fraction form
    110,059.80/165,027.72 = 35,162.40/x
  3. Step 3: Cross multiply
    110,059.80x = 165,027.72 × 35,162.40
  4. Step 4: Simplify right side
    110,059.80x = 5,802,770,701.73
  5. Step 5: Solve for x
    x = 5,802,770,701.73/110,059.80
  6. Step 6: Final answer
    x = 52,723.80

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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.