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Finding the Fourth Proportional to 181,277.70, 250,198.86 and 115,824.48

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Solution

The fourth proportional to 181,277.70, 250,198.86 and 115,824.48 is: 159,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,277.70 : 250,198.86 = 115,824.48 : x
  2. Step 2: Convert to fraction form
    181,277.70/250,198.86 = 115,824.48/x
  3. Step 3: Cross multiply
    181,277.70x = 250,198.86 × 115,824.48
  4. Step 4: Simplify right side
    181,277.70x = 28,979,152,856.09
  5. Step 5: Solve for x
    x = 28,979,152,856.09/181,277.70
  6. Step 6: Final answer
    x = 159,860.55

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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.