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Finding the Fourth Proportional to 269,672.44, 404,505.42 and 69,975.04

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Solution

The fourth proportional to 269,672.44, 404,505.42 and 69,975.04 is: 104,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,672.44 : 404,505.42 = 69,975.04 : x
  2. Step 2: Convert to fraction form
    269,672.44/404,505.42 = 69,975.04/x
  3. Step 3: Cross multiply
    269,672.44x = 404,505.42 × 69,975.04
  4. Step 4: Simplify right side
    269,672.44x = 28,305,282,944.72
  5. Step 5: Solve for x
    x = 28,305,282,944.72/269,672.44
  6. Step 6: Final answer
    x = 104,961.72

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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.