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Finding the Fourth Proportional to 618,103.44, 927,005.31 and 168,826.41

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Solution

The fourth proportional to 618,103.44, 927,005.31 and 168,826.41 is: 253,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,103.44 : 927,005.31 = 168,826.41 : x
  2. Step 2: Convert to fraction form
    618,103.44/927,005.31 = 168,826.41/x
  3. Step 3: Cross multiply
    618,103.44x = 927,005.31 × 168,826.41
  4. Step 4: Simplify right side
    618,103.44x = 156,502,978,538.24
  5. Step 5: Solve for x
    x = 156,502,978,538.24/618,103.44
  6. Step 6: Final answer
    x = 253,198.69

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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.