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Finding the Fourth Proportional to 203,410.20, 304,823.70 and 149,682.90

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Solution

The fourth proportional to 203,410.20, 304,823.70 and 149,682.90 is: 224,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,410.20 : 304,823.70 = 149,682.90 : x
  2. Step 2: Convert to fraction form
    203,410.20/304,823.70 = 149,682.90/x
  3. Step 3: Cross multiply
    203,410.20x = 304,823.70 × 149,682.90
  4. Step 4: Simplify right side
    203,410.20x = 45,626,895,404.73
  5. Step 5: Solve for x
    x = 45,626,895,404.73/203,410.20
  6. Step 6: Final answer
    x = 224,309.77

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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.