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Finding the Fourth Proportional to 372,683.88, 558,947.25 and 119,986.97

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Solution

The fourth proportional to 372,683.88, 558,947.25 and 119,986.97 is: 179,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,683.88 : 558,947.25 = 119,986.97 : x
  2. Step 2: Convert to fraction form
    372,683.88/558,947.25 = 119,986.97/x
  3. Step 3: Cross multiply
    372,683.88x = 558,947.25 × 119,986.97
  4. Step 4: Simplify right side
    372,683.88x = 67,066,384,122.60
  5. Step 5: Solve for x
    x = 67,066,384,122.60/372,683.88
  6. Step 6: Final answer
    x = 179,955.15

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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.