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Finding the Fourth Proportional to 180,049.86, 248,390.75 and 108,388.37

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Solution

The fourth proportional to 180,049.86, 248,390.75 and 108,388.37 is: 149,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,049.86 : 248,390.75 = 108,388.37 : x
  2. Step 2: Convert to fraction form
    180,049.86/248,390.75 = 108,388.37/x
  3. Step 3: Cross multiply
    180,049.86x = 248,390.75 × 108,388.37
  4. Step 4: Simplify right side
    180,049.86x = 26,922,667,544.59
  5. Step 5: Solve for x
    x = 26,922,667,544.59/180,049.86
  6. Step 6: Final answer
    x = 149,528.96

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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.