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Finding the Fourth Proportional to 246,474.58, 340,138.22 and 139,044.28

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Solution

The fourth proportional to 246,474.58, 340,138.22 and 139,044.28 is: 191,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,474.58 : 340,138.22 = 139,044.28 : x
  2. Step 2: Convert to fraction form
    246,474.58/340,138.22 = 139,044.28/x
  3. Step 3: Cross multiply
    246,474.58x = 340,138.22 × 139,044.28
  4. Step 4: Simplify right side
    246,474.58x = 47,294,273,900.38
  5. Step 5: Solve for x
    x = 47,294,273,900.38/246,474.58
  6. Step 6: Final answer
    x = 191,882.97

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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.