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Finding the Fourth Proportional to 267,759.12, 369,504.48 and 154,579.44

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Solution

The fourth proportional to 267,759.12, 369,504.48 and 154,579.44 is: 213,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,759.12 : 369,504.48 = 154,579.44 : x
  2. Step 2: Convert to fraction form
    267,759.12/369,504.48 = 154,579.44/x
  3. Step 3: Cross multiply
    267,759.12x = 369,504.48 × 154,579.44
  4. Step 4: Simplify right side
    267,759.12x = 57,117,795,595.89
  5. Step 5: Solve for x
    x = 57,117,795,595.89/267,759.12
  6. Step 6: Final answer
    x = 213,317.83

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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.