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Finding the Fourth Proportional to 203,193.30, 304,352.55 and 168,201.30

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Solution

The fourth proportional to 203,193.30, 304,352.55 and 168,201.30 is: 251,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,193.30 : 304,352.55 = 168,201.30 : x
  2. Step 2: Convert to fraction form
    203,193.30/304,352.55 = 168,201.30/x
  3. Step 3: Cross multiply
    203,193.30x = 304,352.55 × 168,201.30
  4. Step 4: Simplify right side
    203,193.30x = 51,192,494,568.32
  5. Step 5: Solve for x
    x = 51,192,494,568.32/203,193.30
  6. Step 6: Final answer
    x = 251,939.87

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1.5x scale

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.