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Finding the Fourth Proportional to 246,662.86, 340,393.47 and 133,485.61

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Solution

The fourth proportional to 246,662.86, 340,393.47 and 133,485.61 is: 184,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,662.86 : 340,393.47 = 133,485.61 : x
  2. Step 2: Convert to fraction form
    246,662.86/340,393.47 = 133,485.61/x
  3. Step 3: Cross multiply
    246,662.86x = 340,393.47 × 133,485.61
  4. Step 4: Simplify right side
    246,662.86x = 45,437,629,982.97
  5. Step 5: Solve for x
    x = 45,437,629,982.97/246,662.86
  6. Step 6: Final answer
    x = 184,209.45

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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.