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Finding the Fourth Proportional to 246,698.52, 340,424.94 and 139,279.14

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Solution

The fourth proportional to 246,698.52, 340,424.94 and 139,279.14 is: 192,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,698.52 : 340,424.94 = 139,279.14 : x
  2. Step 2: Convert to fraction form
    246,698.52/340,424.94 = 139,279.14/x
  3. Step 3: Cross multiply
    246,698.52x = 340,424.94 × 139,279.14
  4. Step 4: Simplify right side
    246,698.52x = 47,414,092,877.75
  5. Step 5: Solve for x
    x = 47,414,092,877.75/246,698.52
  6. Step 6: Final answer
    x = 192,194.48

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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.