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Finding the Fourth Proportional to 118,969.73, 178,481.00 and 35,857.73

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Solution

The fourth proportional to 118,969.73, 178,481.00 and 35,857.73 is: 53,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,969.73 : 178,481.00 = 35,857.73 : x
  2. Step 2: Convert to fraction form
    118,969.73/178,481.00 = 35,857.73/x
  3. Step 3: Cross multiply
    118,969.73x = 178,481.00 × 35,857.73
  4. Step 4: Simplify right side
    118,969.73x = 6,399,923,328.84
  5. Step 5: Solve for x
    x = 6,399,923,328.84/118,969.73
  6. Step 6: Final answer
    x = 53,794.55

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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.