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Finding the Fourth Proportional to 204,560.41, 306,860.43 and 69,719.56

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Solution

The fourth proportional to 204,560.41, 306,860.43 and 69,719.56 is: 104,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,560.41 : 306,860.43 = 69,719.56 : x
  2. Step 2: Convert to fraction form
    204,560.41/306,860.43 = 69,719.56/x
  3. Step 3: Cross multiply
    204,560.41x = 306,860.43 × 69,719.56
  4. Step 4: Simplify right side
    204,560.41x = 21,394,172,626.71
  5. Step 5: Solve for x
    x = 21,394,172,626.71/204,560.41
  6. Step 6: Final answer
    x = 104,586.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.