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Finding the Fourth Proportional to 321,079.46, 481,282.94 and 107,795.03

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Solution

The fourth proportional to 321,079.46, 481,282.94 and 107,795.03 is: 161,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,079.46 : 481,282.94 = 107,795.03 : x
  2. Step 2: Convert to fraction form
    321,079.46/481,282.94 = 107,795.03/x
  3. Step 3: Cross multiply
    321,079.46x = 481,282.94 × 107,795.03
  4. Step 4: Simplify right side
    321,079.46x = 51,879,906,818.86
  5. Step 5: Solve for x
    x = 51,879,906,818.86/321,079.46
  6. Step 6: Final answer
    x = 161,579.65

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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.