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Finding the Fourth Proportional to 203,351.68, 305,025.99 and 61,196.34

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Solution

The fourth proportional to 203,351.68, 305,025.99 and 61,196.34 is: 91,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,351.68 : 305,025.99 = 61,196.34 : x
  2. Step 2: Convert to fraction form
    203,351.68/305,025.99 = 61,196.34/x
  3. Step 3: Cross multiply
    203,351.68x = 305,025.99 × 61,196.34
  4. Step 4: Simplify right side
    203,351.68x = 18,666,475,107.24
  5. Step 5: Solve for x
    x = 18,666,475,107.24/203,351.68
  6. Step 6: Final answer
    x = 91,794.05

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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.