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Finding the Fourth Proportional to 244,432.40, 366,940.20 and 137,901.20

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Solution

The fourth proportional to 244,432.40, 366,940.20 and 137,901.20 is: 207,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,432.40 : 366,940.20 = 137,901.20 : x
  2. Step 2: Convert to fraction form
    244,432.40/366,940.20 = 137,901.20/x
  3. Step 3: Cross multiply
    244,432.40x = 366,940.20 × 137,901.20
  4. Step 4: Simplify right side
    244,432.40x = 50,601,493,908.24
  5. Step 5: Solve for x
    x = 50,601,493,908.24/244,432.40
  6. Step 6: Final answer
    x = 207,016.31

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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.