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Finding the Fourth Proportional to 69,659.19, 104,503.91 and 22,910.31

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Solution

The fourth proportional to 69,659.19, 104,503.91 and 22,910.31 is: 34,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,659.19 : 104,503.91 = 22,910.31 : x
  2. Step 2: Convert to fraction form
    69,659.19/104,503.91 = 22,910.31/x
  3. Step 3: Cross multiply
    69,659.19x = 104,503.91 × 22,910.31
  4. Step 4: Simplify right side
    69,659.19x = 2,394,216,859.76
  5. Step 5: Solve for x
    x = 2,394,216,859.76/69,659.19
  6. Step 6: Final answer
    x = 34,370.44

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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.