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Finding the Fourth Proportional to 204,381.88, 306,583.74 and 64,151.44

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Solution

The fourth proportional to 204,381.88, 306,583.74 and 64,151.44 is: 96,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,381.88 : 306,583.74 = 64,151.44 : x
  2. Step 2: Convert to fraction form
    204,381.88/306,583.74 = 64,151.44/x
  3. Step 3: Cross multiply
    204,381.88x = 306,583.74 × 64,151.44
  4. Step 4: Simplify right side
    204,381.88x = 19,667,788,401.59
  5. Step 5: Solve for x
    x = 19,667,788,401.59/204,381.88
  6. Step 6: Final answer
    x = 96,230.59

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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.