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Finding the Fourth Proportional to 164,393.56, 246,392.04 and 80,027.28

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Solution

The fourth proportional to 164,393.56, 246,392.04 and 80,027.28 is: 119,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,393.56 : 246,392.04 = 80,027.28 : x
  2. Step 2: Convert to fraction form
    164,393.56/246,392.04 = 80,027.28/x
  3. Step 3: Cross multiply
    164,393.56x = 246,392.04 × 80,027.28
  4. Step 4: Simplify right side
    164,393.56x = 19,718,084,774.85
  5. Step 5: Solve for x
    x = 19,718,084,774.85/164,393.56
  6. Step 6: Final answer
    x = 119,944.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.