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Finding the Fourth Proportional to 267,604.12, 369,290.64 and 154,424.44

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Solution

The fourth proportional to 267,604.12, 369,290.64 and 154,424.44 is: 213,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,604.12 : 369,290.64 = 154,424.44 : x
  2. Step 2: Convert to fraction form
    267,604.12/369,290.64 = 154,424.44/x
  3. Step 3: Cross multiply
    267,604.12x = 369,290.64 × 154,424.44
  4. Step 4: Simplify right side
    267,604.12x = 57,027,500,279.24
  5. Step 5: Solve for x
    x = 57,027,500,279.24/267,604.12
  6. Step 6: Final answer
    x = 213,103.97

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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.