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Finding the Fourth Proportional to 267,833.26, 369,664.59 and 154,640.62

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Solution

The fourth proportional to 267,833.26, 369,664.59 and 154,640.62 is: 213,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,833.26 : 369,664.59 = 154,640.62 : x
  2. Step 2: Convert to fraction form
    267,833.26/369,664.59 = 154,640.62/x
  3. Step 3: Cross multiply
    267,833.26x = 369,664.59 × 154,640.62
  4. Step 4: Simplify right side
    267,833.26x = 57,165,161,389.65
  5. Step 5: Solve for x
    x = 57,165,161,389.65/267,833.26
  6. Step 6: Final answer
    x = 213,435.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.