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Finding the Fourth Proportional to 266,660.49, 367,997.22 and 159,210.48

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Solution

The fourth proportional to 266,660.49, 367,997.22 and 159,210.48 is: 219,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,660.49 : 367,997.22 = 159,210.48 : x
  2. Step 2: Convert to fraction form
    266,660.49/367,997.22 = 159,210.48/x
  3. Step 3: Cross multiply
    266,660.49x = 367,997.22 × 159,210.48
  4. Step 4: Simplify right side
    266,660.49x = 58,589,014,034.87
  5. Step 5: Solve for x
    x = 58,589,014,034.87/266,660.49
  6. Step 6: Final answer
    x = 219,713.89

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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.