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Finding the Fourth Proportional to 110,361, 165,147.66 and 95,620.44

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Solution

The fourth proportional to 110,361, 165,147.66 and 95,620.44 is: 143,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,361 : 165,147.66 = 95,620.44 : x
  2. Step 2: Convert to fraction form
    110,361/165,147.66 = 95,620.44/x
  3. Step 3: Cross multiply
    110,361x = 165,147.66 × 95,620.44
  4. Step 4: Simplify right side
    110,361x = 15,791,491,914.17
  5. Step 5: Solve for x
    x = 15,791,491,914.17/110,361
  6. Step 6: Final answer
    x = 143,089.42

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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.