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Finding the Fourth Proportional to 203,251.27, 304,766.94 and 161,400.59

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Solution

The fourth proportional to 203,251.27, 304,766.94 and 161,400.59 is: 242,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,251.27 : 304,766.94 = 161,400.59 : x
  2. Step 2: Convert to fraction form
    203,251.27/304,766.94 = 161,400.59/x
  3. Step 3: Cross multiply
    203,251.27x = 304,766.94 × 161,400.59
  4. Step 4: Simplify right side
    203,251.27x = 49,189,563,928.49
  5. Step 5: Solve for x
    x = 49,189,563,928.49/203,251.27
  6. Step 6: Final answer
    x = 242,013.57

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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.