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Finding the Fourth Proportional to 184,080.78, 276,079.86 and 71,722.44

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Solution

The fourth proportional to 184,080.78, 276,079.86 and 71,722.44 is: 107,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,080.78 : 276,079.86 = 71,722.44 : x
  2. Step 2: Convert to fraction form
    184,080.78/276,079.86 = 71,722.44/x
  3. Step 3: Cross multiply
    184,080.78x = 276,079.86 × 71,722.44
  4. Step 4: Simplify right side
    184,080.78x = 19,801,121,194.06
  5. Step 5: Solve for x
    x = 19,801,121,194.06/184,080.78
  6. Step 6: Final answer
    x = 107,567.56

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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.