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Finding the Fourth Proportional to 246,494.48, 340,161.36 and 139,064.54

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Solution

The fourth proportional to 246,494.48, 340,161.36 and 139,064.54 is: 191,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,494.48 : 340,161.36 = 139,064.54 : x
  2. Step 2: Convert to fraction form
    246,494.48/340,161.36 = 139,064.54/x
  3. Step 3: Cross multiply
    246,494.48x = 340,161.36 × 139,064.54
  4. Step 4: Simplify right side
    246,494.48x = 47,304,383,054.17
  5. Step 5: Solve for x
    x = 47,304,383,054.17/246,494.48
  6. Step 6: Final answer
    x = 191,908.49

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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.