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Finding the Fourth Proportional to 73,173.63, 100,979.37 and 41,342.52

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Solution

The fourth proportional to 73,173.63, 100,979.37 and 41,342.52 is: 57,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,173.63 : 100,979.37 = 41,342.52 : x
  2. Step 2: Convert to fraction form
    73,173.63/100,979.37 = 41,342.52/x
  3. Step 3: Cross multiply
    73,173.63x = 100,979.37 × 41,342.52
  4. Step 4: Simplify right side
    73,173.63x = 4,174,741,623.81
  5. Step 5: Solve for x
    x = 4,174,741,623.81/73,173.63
  6. Step 6: Final answer
    x = 57,052.54

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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.