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Finding the Fourth Proportional to 168,754.36, 253,201.38 and 73,935.52

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Solution

The fourth proportional to 168,754.36, 253,201.38 and 73,935.52 is: 110,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,754.36 : 253,201.38 = 73,935.52 : x
  2. Step 2: Convert to fraction form
    168,754.36/253,201.38 = 73,935.52/x
  3. Step 3: Cross multiply
    168,754.36x = 253,201.38 × 73,935.52
  4. Step 4: Simplify right side
    168,754.36x = 18,720,575,695.02
  5. Step 5: Solve for x
    x = 18,720,575,695.02/168,754.36
  6. Step 6: Final answer
    x = 110,933.88

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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.