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Finding the Fourth Proportional to 234,968.88, 324,257.28 and 127,538.88

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Solution

The fourth proportional to 234,968.88, 324,257.28 and 127,538.88 is: 176,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,968.88 : 324,257.28 = 127,538.88 : x
  2. Step 2: Convert to fraction form
    234,968.88/324,257.28 = 127,538.88/x
  3. Step 3: Cross multiply
    234,968.88x = 324,257.28 × 127,538.88
  4. Step 4: Simplify right side
    234,968.88x = 41,355,410,323.05
  5. Step 5: Solve for x
    x = 41,355,410,323.05/234,968.88
  6. Step 6: Final answer
    x = 176,003.78

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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.