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Finding the Fourth Proportional to 246,474, 340,134.24 and 133,296.72

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Solution

The fourth proportional to 246,474, 340,134.24 and 133,296.72 is: 183,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,474 : 340,134.24 = 133,296.72 : x
  2. Step 2: Convert to fraction form
    246,474/340,134.24 = 133,296.72/x
  3. Step 3: Cross multiply
    246,474x = 340,134.24 × 133,296.72
  4. Step 4: Simplify right side
    246,474x = 45,338,778,551.69
  5. Step 5: Solve for x
    x = 45,338,778,551.69/246,474
  6. Step 6: Final answer
    x = 183,949.54

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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.