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Finding the Fourth Proportional to 110,357.73, 165,390.93 and 43,761.42

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Solution

The fourth proportional to 110,357.73, 165,390.93 and 43,761.42 is: 65,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,357.73 : 165,390.93 = 43,761.42 : x
  2. Step 2: Convert to fraction form
    110,357.73/165,390.93 = 43,761.42/x
  3. Step 3: Cross multiply
    110,357.73x = 165,390.93 × 43,761.42
  4. Step 4: Simplify right side
    110,357.73x = 7,237,741,951.92
  5. Step 5: Solve for x
    x = 7,237,741,951.92/110,357.73
  6. Step 6: Final answer
    x = 65,584.37

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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.