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Finding the Fourth Proportional to 267,605.12, 369,292.02 and 154,425.44

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Solution

The fourth proportional to 267,605.12, 369,292.02 and 154,425.44 is: 213,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,605.12 : 369,292.02 = 154,425.44 : x
  2. Step 2: Convert to fraction form
    267,605.12/369,292.02 = 154,425.44/x
  3. Step 3: Cross multiply
    267,605.12x = 369,292.02 × 154,425.44
  4. Step 4: Simplify right side
    267,605.12x = 57,028,082,676.99
  5. Step 5: Solve for x
    x = 57,028,082,676.99/267,605.12
  6. Step 6: Final answer
    x = 213,105.35

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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.