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Finding the Fourth Proportional to 203,552.17, 305,246.21 and 61,353.43

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Solution

The fourth proportional to 203,552.17, 305,246.21 and 61,353.43 is: 92,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,552.17 : 305,246.21 = 61,353.43 : x
  2. Step 2: Convert to fraction form
    203,552.17/305,246.21 = 61,353.43/x
  3. Step 3: Cross multiply
    203,552.17x = 305,246.21 × 61,353.43
  4. Step 4: Simplify right side
    203,552.17x = 18,727,900,908.12
  5. Step 5: Solve for x
    x = 18,727,900,908.12/203,552.17
  6. Step 6: Final answer
    x = 92,005.41

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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.