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Finding the Fourth Proportional to 246,906.64, 340,731.08 and 133,729.36

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Solution

The fourth proportional to 246,906.64, 340,731.08 and 133,729.36 is: 184,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,906.64 : 340,731.08 = 133,729.36 : x
  2. Step 2: Convert to fraction form
    246,906.64/340,731.08 = 133,729.36/x
  3. Step 3: Cross multiply
    246,906.64x = 340,731.08 × 133,729.36
  4. Step 4: Simplify right side
    246,906.64x = 45,565,749,260.51
  5. Step 5: Solve for x
    x = 45,565,749,260.51/246,906.64
  6. Step 6: Final answer
    x = 184,546.47

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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.