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Finding the Fourth Proportional to 203,401.20, 304,810.20 and 149,673.90

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Solution

The fourth proportional to 203,401.20, 304,810.20 and 149,673.90 is: 224,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,401.20 : 304,810.20 = 149,673.90 : x
  2. Step 2: Convert to fraction form
    203,401.20/304,810.20 = 149,673.90/x
  3. Step 3: Cross multiply
    203,401.20x = 304,810.20 × 149,673.90
  4. Step 4: Simplify right side
    203,401.20x = 45,622,131,393.78
  5. Step 5: Solve for x
    x = 45,622,131,393.78/203,401.20
  6. Step 6: Final answer
    x = 224,296.27

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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.