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Finding the Fourth Proportional to 266,608.29, 367,923.82 and 159,187.71

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Solution

The fourth proportional to 266,608.29, 367,923.82 and 159,187.71 is: 219,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,608.29 : 367,923.82 = 159,187.71 : x
  2. Step 2: Convert to fraction form
    266,608.29/367,923.82 = 159,187.71/x
  3. Step 3: Cross multiply
    266,608.29x = 367,923.82 × 159,187.71
  4. Step 4: Simplify right side
    266,608.29x = 58,568,951,640.47
  5. Step 5: Solve for x
    x = 58,568,951,640.47/266,608.29
  6. Step 6: Final answer
    x = 219,681.66

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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.