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Finding the Fourth Proportional to 193,195.40, 289,759.89 and 51,042.20

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Solution

The fourth proportional to 193,195.40, 289,759.89 and 51,042.20 is: 76,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,195.40 : 289,759.89 = 51,042.20 : x
  2. Step 2: Convert to fraction form
    193,195.40/289,759.89 = 51,042.20/x
  3. Step 3: Cross multiply
    193,195.40x = 289,759.89 × 51,042.20
  4. Step 4: Simplify right side
    193,195.40x = 14,789,982,257.36
  5. Step 5: Solve for x
    x = 14,789,982,257.36/193,195.40
  6. Step 6: Final answer
    x = 76,554.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.