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Finding the Fourth Proportional to 267,644.72, 369,382.52 and 154,467.47

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Solution

The fourth proportional to 267,644.72, 369,382.52 and 154,467.47 is: 213,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,644.72 : 369,382.52 = 154,467.47 : x
  2. Step 2: Convert to fraction form
    267,644.72/369,382.52 = 154,467.47/x
  3. Step 3: Cross multiply
    267,644.72x = 369,382.52 × 154,467.47
  4. Step 4: Simplify right side
    267,644.72x = 57,057,580,707.37
  5. Step 5: Solve for x
    x = 57,057,580,707.37/267,644.72
  6. Step 6: Final answer
    x = 213,184.04

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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.