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Finding the Fourth Proportional to 69,107.52, 103,682.34 and 35,851.44

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Solution

The fourth proportional to 69,107.52, 103,682.34 and 35,851.44 is: 53,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,107.52 : 103,682.34 = 35,851.44 : x
  2. Step 2: Convert to fraction form
    69,107.52/103,682.34 = 35,851.44/x
  3. Step 3: Cross multiply
    69,107.52x = 103,682.34 × 35,851.44
  4. Step 4: Simplify right side
    69,107.52x = 3,717,161,191.57
  5. Step 5: Solve for x
    x = 3,717,161,191.57/69,107.52
  6. Step 6: Final answer
    x = 53,788.09

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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.