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Finding the Fourth Proportional to 122,718.36, 184,067.81 and 43,824.36

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Solution

The fourth proportional to 122,718.36, 184,067.81 and 43,824.36 is: 65,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,718.36 : 184,067.81 = 43,824.36 : x
  2. Step 2: Convert to fraction form
    122,718.36/184,067.81 = 43,824.36/x
  3. Step 3: Cross multiply
    122,718.36x = 184,067.81 × 43,824.36
  4. Step 4: Simplify right side
    122,718.36x = 8,066,653,969.85
  5. Step 5: Solve for x
    x = 8,066,653,969.85/122,718.36
  6. Step 6: Final answer
    x = 65,733.07

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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.