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Finding the Fourth Proportional to 269,872.71, 404,810.46 and 112,101.33

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Solution

The fourth proportional to 269,872.71, 404,810.46 and 112,101.33 is: 168,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,872.71 : 404,810.46 = 112,101.33 : x
  2. Step 2: Convert to fraction form
    269,872.71/404,810.46 = 112,101.33/x
  3. Step 3: Cross multiply
    269,872.71x = 404,810.46 × 112,101.33
  4. Step 4: Simplify right side
    269,872.71x = 45,379,790,963.91
  5. Step 5: Solve for x
    x = 45,379,790,963.91/269,872.71
  6. Step 6: Final answer
    x = 168,152.57

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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.