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Finding the Fourth Proportional to 244,412.40, 366,910.20 and 137,881.20

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Solution

The fourth proportional to 244,412.40, 366,910.20 and 137,881.20 is: 206,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,412.40 : 366,910.20 = 137,881.20 : x
  2. Step 2: Convert to fraction form
    244,412.40/366,910.20 = 137,881.20/x
  3. Step 3: Cross multiply
    244,412.40x = 366,910.20 × 137,881.20
  4. Step 4: Simplify right side
    244,412.40x = 50,590,018,668.24
  5. Step 5: Solve for x
    x = 50,590,018,668.24/244,412.40
  6. Step 6: Final answer
    x = 206,986.30

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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.