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Finding the Fourth Proportional to 181,956.44, 272,976.17 and 55,614.65

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Solution

The fourth proportional to 181,956.44, 272,976.17 and 55,614.65 is: 83,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,956.44 : 272,976.17 = 55,614.65 : x
  2. Step 2: Convert to fraction form
    181,956.44/272,976.17 = 55,614.65/x
  3. Step 3: Cross multiply
    181,956.44x = 272,976.17 × 55,614.65
  4. Step 4: Simplify right side
    181,956.44x = 15,181,472,509.94
  5. Step 5: Solve for x
    x = 15,181,472,509.94/181,956.44
  6. Step 6: Final answer
    x = 83,434.66

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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.