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Finding the Fourth Proportional to 234,936.81, 324,213.03 and 127,506.87

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Solution

The fourth proportional to 234,936.81, 324,213.03 and 127,506.87 is: 175,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,936.81 : 324,213.03 = 127,506.87 : x
  2. Step 2: Convert to fraction form
    234,936.81/324,213.03 = 127,506.87/x
  3. Step 3: Cross multiply
    234,936.81x = 324,213.03 × 127,506.87
  4. Step 4: Simplify right side
    234,936.81x = 41,339,388,668.52
  5. Step 5: Solve for x
    x = 41,339,388,668.52/234,936.81
  6. Step 6: Final answer
    x = 175,959.61

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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.