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Finding the Fourth Proportional to 246,661.86, 340,392.09 and 133,484.61

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Solution

The fourth proportional to 246,661.86, 340,392.09 and 133,484.61 is: 184,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,661.86 : 340,392.09 = 133,484.61 : x
  2. Step 2: Convert to fraction form
    246,661.86/340,392.09 = 133,484.61/x
  3. Step 3: Cross multiply
    246,661.86x = 340,392.09 × 133,484.61
  4. Step 4: Simplify right side
    246,661.86x = 45,437,105,380.73
  5. Step 5: Solve for x
    x = 45,437,105,380.73/246,661.86
  6. Step 6: Final answer
    x = 184,208.07

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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.