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Finding the Fourth Proportional to 69,205.62, 103,771.52 and 35,842.94

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Solution

The fourth proportional to 69,205.62, 103,771.52 and 35,842.94 is: 53,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,205.62 : 103,771.52 = 35,842.94 : x
  2. Step 2: Convert to fraction form
    69,205.62/103,771.52 = 35,842.94/x
  3. Step 3: Cross multiply
    69,205.62x = 103,771.52 × 35,842.94
  4. Step 4: Simplify right side
    69,205.62x = 3,719,476,365.07
  5. Step 5: Solve for x
    x = 3,719,476,365.07/69,205.62
  6. Step 6: Final answer
    x = 53,745.29

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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.