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Finding the Fourth Proportional to 246,896.70, 340,717.90 and 133,719.48

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Solution

The fourth proportional to 246,896.70, 340,717.90 and 133,719.48 is: 184,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,896.70 : 340,717.90 = 133,719.48 : x
  2. Step 2: Convert to fraction form
    246,896.70/340,717.90 = 133,719.48/x
  3. Step 3: Cross multiply
    246,896.70x = 340,717.90 × 133,719.48
  4. Step 4: Simplify right side
    246,896.70x = 45,560,620,414.69
  5. Step 5: Solve for x
    x = 45,560,620,414.69/246,896.70
  6. Step 6: Final answer
    x = 184,533.13

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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.