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Finding the Fourth Proportional to 227,644.60, 341,747.70 and 143,404.60

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Solution

The fourth proportional to 227,644.60, 341,747.70 and 143,404.60 is: 215,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,644.60 : 341,747.70 = 143,404.60 : x
  2. Step 2: Convert to fraction form
    227,644.60/341,747.70 = 143,404.60/x
  3. Step 3: Cross multiply
    227,644.60x = 341,747.70 × 143,404.60
  4. Step 4: Simplify right side
    227,644.60x = 49,008,192,219.42
  5. Step 5: Solve for x
    x = 49,008,192,219.42/227,644.60
  6. Step 6: Final answer
    x = 215,283.79

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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.