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Finding the Fourth Proportional to 246,735.72, 340,511.04 and 139,266.54

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Solution

The fourth proportional to 246,735.72, 340,511.04 and 139,266.54 is: 192,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,735.72 : 340,511.04 = 139,266.54 : x
  2. Step 2: Convert to fraction form
    246,735.72/340,511.04 = 139,266.54/x
  3. Step 3: Cross multiply
    246,735.72x = 340,511.04 × 139,266.54
  4. Step 4: Simplify right side
    246,735.72x = 47,421,794,372.60
  5. Step 5: Solve for x
    x = 47,421,794,372.60/246,735.72
  6. Step 6: Final answer
    x = 192,196.71

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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.