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Finding the Fourth Proportional to 69,779.68, 104,593.48 and 34,265.43

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Solution

The fourth proportional to 69,779.68, 104,593.48 and 34,265.43 is: 51,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,779.68 : 104,593.48 = 34,265.43 : x
  2. Step 2: Convert to fraction form
    69,779.68/104,593.48 = 34,265.43/x
  3. Step 3: Cross multiply
    69,779.68x = 104,593.48 × 34,265.43
  4. Step 4: Simplify right side
    69,779.68x = 3,583,940,481.73
  5. Step 5: Solve for x
    x = 3,583,940,481.73/69,779.68
  6. Step 6: Final answer
    x = 51,360.81

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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.