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Finding the Fourth Proportional to 133,485.88, 184,192.32 and 79,759.54

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Solution

The fourth proportional to 133,485.88, 184,192.32 and 79,759.54 is: 110,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,485.88 : 184,192.32 = 79,759.54 : x
  2. Step 2: Convert to fraction form
    133,485.88/184,192.32 = 79,759.54/x
  3. Step 3: Cross multiply
    133,485.88x = 184,192.32 × 79,759.54
  4. Step 4: Simplify right side
    133,485.88x = 14,691,094,714.73
  5. Step 5: Solve for x
    x = 14,691,094,714.73/133,485.88
  6. Step 6: Final answer
    x = 110,057.29

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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.