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Finding the Fourth Proportional to 372,238.67, 558,085.79 and 119,375.23

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Solution

The fourth proportional to 372,238.67, 558,085.79 and 119,375.23 is: 178,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,238.67 : 558,085.79 = 119,375.23 : x
  2. Step 2: Convert to fraction form
    372,238.67/558,085.79 = 119,375.23/x
  3. Step 3: Cross multiply
    372,238.67x = 558,085.79 × 119,375.23
  4. Step 4: Simplify right side
    372,238.67x = 66,621,619,540.98
  5. Step 5: Solve for x
    x = 66,621,619,540.98/372,238.67
  6. Step 6: Final answer
    x = 178,975.55

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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.