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Finding the Fourth Proportional to 246,987.14, 340,843.88 and 133,809.89

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Solution

The fourth proportional to 246,987.14, 340,843.88 and 133,809.89 is: 184,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,987.14 : 340,843.88 = 133,809.89 : x
  2. Step 2: Convert to fraction form
    246,987.14/340,843.88 = 133,809.89/x
  3. Step 3: Cross multiply
    246,987.14x = 340,843.88 × 133,809.89
  4. Step 4: Simplify right side
    246,987.14x = 45,608,282,089.97
  5. Step 5: Solve for x
    x = 45,608,282,089.97/246,987.14
  6. Step 6: Final answer
    x = 184,658.53

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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.