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Finding the Fourth Proportional to 69,296.64, 103,906.08 and 41,225.28

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Solution

The fourth proportional to 69,296.64, 103,906.08 and 41,225.28 is: 61,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,296.64 : 103,906.08 = 41,225.28 : x
  2. Step 2: Convert to fraction form
    69,296.64/103,906.08 = 41,225.28/x
  3. Step 3: Cross multiply
    69,296.64x = 103,906.08 × 41,225.28
  4. Step 4: Simplify right side
    69,296.64x = 4,283,557,241.70
  5. Step 5: Solve for x
    x = 4,283,557,241.70/69,296.64
  6. Step 6: Final answer
    x = 61,814.79

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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.