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Finding the Fourth Proportional to 133,694.54, 184,480.94 and 79,959.96

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Solution

The fourth proportional to 133,694.54, 184,480.94 and 79,959.96 is: 110,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,694.54 : 184,480.94 = 79,959.96 : x
  2. Step 2: Convert to fraction form
    133,694.54/184,480.94 = 79,959.96/x
  3. Step 3: Cross multiply
    133,694.54x = 184,480.94 × 79,959.96
  4. Step 4: Simplify right side
    133,694.54x = 14,751,088,583.16
  5. Step 5: Solve for x
    x = 14,751,088,583.16/133,694.54
  6. Step 6: Final answer
    x = 110,334.26

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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.