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Finding the Fourth Proportional to 201,610.56, 278,106.68 and 126,027.84

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Solution

The fourth proportional to 201,610.56, 278,106.68 and 126,027.84 is: 173,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,610.56 : 278,106.68 = 126,027.84 : x
  2. Step 2: Convert to fraction form
    201,610.56/278,106.68 = 126,027.84/x
  3. Step 3: Cross multiply
    201,610.56x = 278,106.68 × 126,027.84
  4. Step 4: Simplify right side
    201,610.56x = 35,049,184,169.97
  5. Step 5: Solve for x
    x = 35,049,184,169.97/201,610.56
  6. Step 6: Final answer
    x = 173,845.97

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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.