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Finding the Fourth Proportional to 219,584.89, 303,027.78 and 118,982.89

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Solution

The fourth proportional to 219,584.89, 303,027.78 and 118,982.89 is: 164,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,584.89 : 303,027.78 = 118,982.89 : x
  2. Step 2: Convert to fraction form
    219,584.89/303,027.78 = 118,982.89/x
  3. Step 3: Cross multiply
    219,584.89x = 303,027.78 × 118,982.89
  4. Step 4: Simplify right side
    219,584.89x = 36,055,121,014.68
  5. Step 5: Solve for x
    x = 36,055,121,014.68/219,584.89
  6. Step 6: Final answer
    x = 164,196.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.