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Finding the Fourth Proportional to 118,791.63, 178,198.70 and 33,402.30

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Solution

The fourth proportional to 118,791.63, 178,198.70 and 33,402.30 is: 50,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,791.63 : 178,198.70 = 33,402.30 : x
  2. Step 2: Convert to fraction form
    118,791.63/178,198.70 = 33,402.30/x
  3. Step 3: Cross multiply
    118,791.63x = 178,198.70 × 33,402.30
  4. Step 4: Simplify right side
    118,791.63x = 5,952,246,520.52
  5. Step 5: Solve for x
    x = 5,952,246,520.52/118,791.63
  6. Step 6: Final answer
    x = 50,106.62

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1.5x scale

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.