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Finding the Fourth Proportional to 69,556.15, 104,481.74 and 65,506.96

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Solution

The fourth proportional to 69,556.15, 104,481.74 and 65,506.96 is: 98,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,556.15 : 104,481.74 = 65,506.96 : x
  2. Step 2: Convert to fraction form
    69,556.15/104,481.74 = 65,506.96/x
  3. Step 3: Cross multiply
    69,556.15x = 104,481.74 × 65,506.96
  4. Step 4: Simplify right side
    69,556.15x = 6,844,280,640.50
  5. Step 5: Solve for x
    x = 6,844,280,640.50/69,556.15
  6. Step 6: Final answer
    x = 98,399.37

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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.