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Finding the Fourth Proportional to 237,272.94, 327,436.71 and 129,843

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Solution

The fourth proportional to 237,272.94, 327,436.71 and 129,843 is: 179,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,272.94 : 327,436.71 = 129,843 : x
  2. Step 2: Convert to fraction form
    237,272.94/327,436.71 = 129,843/x
  3. Step 3: Cross multiply
    237,272.94x = 327,436.71 × 129,843
  4. Step 4: Simplify right side
    237,272.94x = 42,515,364,736.53
  5. Step 5: Solve for x
    x = 42,515,364,736.53/237,272.94
  6. Step 6: Final answer
    x = 179,183.37

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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.