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Finding the Fourth Proportional to 107,908.53, 161,879.46 and 36,814.51

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Solution

The fourth proportional to 107,908.53, 161,879.46 and 36,814.51 is: 55,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,908.53 : 161,879.46 = 36,814.51 : x
  2. Step 2: Convert to fraction form
    107,908.53/161,879.46 = 36,814.51/x
  3. Step 3: Cross multiply
    107,908.53x = 161,879.46 × 36,814.51
  4. Step 4: Simplify right side
    107,908.53x = 5,959,512,998.96
  5. Step 5: Solve for x
    x = 5,959,512,998.96/107,908.53
  6. Step 6: Final answer
    x = 55,227.45

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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.