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Finding the Fourth Proportional to 270,247.98, 372,936.72 and 149,394.36

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Solution

The fourth proportional to 270,247.98, 372,936.72 and 149,394.36 is: 206,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,247.98 : 372,936.72 = 149,394.36 : x
  2. Step 2: Convert to fraction form
    270,247.98/372,936.72 = 149,394.36/x
  3. Step 3: Cross multiply
    270,247.98x = 372,936.72 × 149,394.36
  4. Step 4: Simplify right side
    270,247.98x = 55,714,642,604.90
  5. Step 5: Solve for x
    x = 55,714,642,604.90/270,247.98
  6. Step 6: Final answer
    x = 206,161.18

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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.