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Finding the Fourth Proportional to 135,751.72, 203,627.83 and 55,733.97

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Solution

The fourth proportional to 135,751.72, 203,627.83 and 55,733.97 is: 83,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,751.72 : 203,627.83 = 55,733.97 : x
  2. Step 2: Convert to fraction form
    135,751.72/203,627.83 = 55,733.97/x
  3. Step 3: Cross multiply
    135,751.72x = 203,627.83 × 55,733.97
  4. Step 4: Simplify right side
    135,751.72x = 11,348,986,071.58
  5. Step 5: Solve for x
    x = 11,348,986,071.58/135,751.72
  6. Step 6: Final answer
    x = 83,601.05

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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.