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Finding the Fourth Proportional to 202,027.65, 278,790.89 and 110,144.97

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Solution

The fourth proportional to 202,027.65, 278,790.89 and 110,144.97 is: 151,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,027.65 : 278,790.89 = 110,144.97 : x
  2. Step 2: Convert to fraction form
    202,027.65/278,790.89 = 110,144.97/x
  3. Step 3: Cross multiply
    202,027.65x = 278,790.89 × 110,144.97
  4. Step 4: Simplify right side
    202,027.65x = 30,707,413,664.60
  5. Step 5: Solve for x
    x = 30,707,413,664.60/202,027.65
  6. Step 6: Final answer
    x = 151,996.09

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1.5x scale

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.