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Finding the Fourth Proportional to 244,544.40, 337,487.40 and 137,121.30

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Solution

The fourth proportional to 244,544.40, 337,487.40 and 137,121.30 is: 189,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,544.40 : 337,487.40 = 137,121.30 : x
  2. Step 2: Convert to fraction form
    244,544.40/337,487.40 = 137,121.30/x
  3. Step 3: Cross multiply
    244,544.40x = 337,487.40 × 137,121.30
  4. Step 4: Simplify right side
    244,544.40x = 46,276,711,021.62
  5. Step 5: Solve for x
    x = 46,276,711,021.62/244,544.40
  6. Step 6: Final answer
    x = 189,236.44

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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.