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Finding the Fourth Proportional to 364,771.38, 547,159.49 and 115,453.38

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Solution

The fourth proportional to 364,771.38, 547,159.49 and 115,453.38 is: 173,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,771.38 : 547,159.49 = 115,453.38 : x
  2. Step 2: Convert to fraction form
    364,771.38/547,159.49 = 115,453.38/x
  3. Step 3: Cross multiply
    364,771.38x = 547,159.49 × 115,453.38
  4. Step 4: Simplify right side
    364,771.38x = 63,171,410,072.41
  5. Step 5: Solve for x
    x = 63,171,410,072.41/364,771.38
  6. Step 6: Final answer
    x = 173,180.83

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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.