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Finding the Fourth Proportional to 69,448.80, 104,195.52 and 22,691.04

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Solution

The fourth proportional to 69,448.80, 104,195.52 and 22,691.04 is: 34,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,448.80 : 104,195.52 = 22,691.04 : x
  2. Step 2: Convert to fraction form
    69,448.80/104,195.52 = 22,691.04/x
  3. Step 3: Cross multiply
    69,448.80x = 104,195.52 × 22,691.04
  4. Step 4: Simplify right side
    69,448.80x = 2,364,304,712.14
  5. Step 5: Solve for x
    x = 2,364,304,712.14/69,448.80
  6. Step 6: Final answer
    x = 34,043.85

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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.