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Finding the Fourth Proportional to 618,109.44, 927,014.31 and 168,832.41

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Solution

The fourth proportional to 618,109.44, 927,014.31 and 168,832.41 is: 253,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,109.44 : 927,014.31 = 168,832.41 : x
  2. Step 2: Convert to fraction form
    618,109.44/927,014.31 = 168,832.41/x
  3. Step 3: Cross multiply
    618,109.44x = 927,014.31 × 168,832.41
  4. Step 4: Simplify right side
    618,109.44x = 156,510,060,061.79
  5. Step 5: Solve for x
    x = 156,510,060,061.79/618,109.44
  6. Step 6: Final answer
    x = 253,207.68

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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.