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Finding the Fourth Proportional to 168,338.52, 251,884.08 and 134,957.61

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Solution

The fourth proportional to 168,338.52, 251,884.08 and 134,957.61 is: 201,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,338.52 : 251,884.08 = 134,957.61 : x
  2. Step 2: Convert to fraction form
    168,338.52/251,884.08 = 134,957.61/x
  3. Step 3: Cross multiply
    168,338.52x = 251,884.08 × 134,957.61
  4. Step 4: Simplify right side
    168,338.52x = 33,993,673,433.85
  5. Step 5: Solve for x
    x = 33,993,673,433.85/168,338.52
  6. Step 6: Final answer
    x = 201,936.39

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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.