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Finding the Fourth Proportional to 69,296.70, 103,685.56 and 49,352.28

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Solution

The fourth proportional to 69,296.70, 103,685.56 and 49,352.28 is: 73,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,296.70 : 103,685.56 = 49,352.28 : x
  2. Step 2: Convert to fraction form
    69,296.70/103,685.56 = 49,352.28/x
  3. Step 3: Cross multiply
    69,296.70x = 103,685.56 × 49,352.28
  4. Step 4: Simplify right side
    69,296.70x = 5,117,118,789.08
  5. Step 5: Solve for x
    x = 5,117,118,789.08/69,296.70
  6. Step 6: Final answer
    x = 73,843.61

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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.