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Finding the Fourth Proportional to 198,970.44, 298,406.44 and 124,052

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Solution

The fourth proportional to 198,970.44, 298,406.44 and 124,052 is: 186,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,970.44 : 298,406.44 = 124,052 : x
  2. Step 2: Convert to fraction form
    198,970.44/298,406.44 = 124,052/x
  3. Step 3: Cross multiply
    198,970.44x = 298,406.44 × 124,052
  4. Step 4: Simplify right side
    198,970.44x = 37,017,915,694.88
  5. Step 5: Solve for x
    x = 37,017,915,694.88/198,970.44
  6. Step 6: Final answer
    x = 186,047.31

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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.