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Finding the Fourth Proportional to 267,662.24, 369,347.28 and 154,521.44

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Solution

The fourth proportional to 267,662.24, 369,347.28 and 154,521.44 is: 213,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,662.24 : 369,347.28 = 154,521.44 : x
  2. Step 2: Convert to fraction form
    267,662.24/369,347.28 = 154,521.44/x
  3. Step 3: Cross multiply
    267,662.24x = 369,347.28 × 154,521.44
  4. Step 4: Simplify right side
    267,662.24x = 57,072,073,565.68
  5. Step 5: Solve for x
    x = 57,072,073,565.68/267,662.24
  6. Step 6: Final answer
    x = 213,224.22

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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.