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Finding the Fourth Proportional to 203,329.20, 304,702.20 and 149,601.90

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Solution

The fourth proportional to 203,329.20, 304,702.20 and 149,601.90 is: 224,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,329.20 : 304,702.20 = 149,601.90 : x
  2. Step 2: Convert to fraction form
    203,329.20/304,702.20 = 149,601.90/x
  3. Step 3: Cross multiply
    203,329.20x = 304,702.20 × 149,601.90
  4. Step 4: Simplify right side
    203,329.20x = 45,584,028,054.18
  5. Step 5: Solve for x
    x = 45,584,028,054.18/203,329.20
  6. Step 6: Final answer
    x = 224,188.30

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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.