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Finding the Fourth Proportional to 69,109.52, 103,685.34 and 35,853.44

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Solution

The fourth proportional to 69,109.52, 103,685.34 and 35,853.44 is: 53,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.52 : 103,685.34 = 35,853.44 : x
  2. Step 2: Convert to fraction form
    69,109.52/103,685.34 = 35,853.44/x
  3. Step 3: Cross multiply
    69,109.52x = 103,685.34 × 35,853.44
  4. Step 4: Simplify right side
    69,109.52x = 3,717,476,116.57
  5. Step 5: Solve for x
    x = 3,717,476,116.57/69,109.52
  6. Step 6: Final answer
    x = 53,791.09

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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.