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Finding the Fourth Proportional to 246,889.52, 340,735.26 and 139,466.48

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Solution

The fourth proportional to 246,889.52, 340,735.26 and 139,466.48 is: 192,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,889.52 : 340,735.26 = 139,466.48 : x
  2. Step 2: Convert to fraction form
    246,889.52/340,735.26 = 139,466.48/x
  3. Step 3: Cross multiply
    246,889.52x = 340,735.26 × 139,466.48
  4. Step 4: Simplify right side
    246,889.52x = 47,521,147,324.08
  5. Step 5: Solve for x
    x = 47,521,147,324.08/246,889.52
  6. Step 6: Final answer
    x = 192,479.40

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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.