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Finding the Fourth Proportional to 234,825.97, 324,060.81 and 127,396.79

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Solution

The fourth proportional to 234,825.97, 324,060.81 and 127,396.79 is: 175,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,825.97 : 324,060.81 = 127,396.79 : x
  2. Step 2: Convert to fraction form
    234,825.97/324,060.81 = 127,396.79/x
  3. Step 3: Cross multiply
    234,825.97x = 324,060.81 × 127,396.79
  4. Step 4: Simplify right side
    234,825.97x = 41,284,306,958.80
  5. Step 5: Solve for x
    x = 41,284,306,958.80/234,825.97
  6. Step 6: Final answer
    x = 175,808.10

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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.