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Finding the Fourth Proportional to 234,942.28, 324,220.52 and 127,512.28

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Solution

The fourth proportional to 234,942.28, 324,220.52 and 127,512.28 is: 175,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,942.28 : 324,220.52 = 127,512.28 : x
  2. Step 2: Convert to fraction form
    234,942.28/324,220.52 = 127,512.28/x
  3. Step 3: Cross multiply
    234,942.28x = 324,220.52 × 127,512.28
  4. Step 4: Simplify right side
    234,942.28x = 41,342,099,262.59
  5. Step 5: Solve for x
    x = 41,342,099,262.59/234,942.28
  6. Step 6: Final answer
    x = 175,967.05

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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.