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Finding the Fourth Proportional to 270,708.21, 373,572.78 and 149,846.91

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Solution

The fourth proportional to 270,708.21, 373,572.78 and 149,846.91 is: 206,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,708.21 : 373,572.78 = 149,846.91 : x
  2. Step 2: Convert to fraction form
    270,708.21/373,572.78 = 149,846.91/x
  3. Step 3: Cross multiply
    270,708.21x = 373,572.78 × 149,846.91
  4. Step 4: Simplify right side
    270,708.21x = 55,978,726,743.11
  5. Step 5: Solve for x
    x = 55,978,726,743.11/270,708.21
  6. Step 6: Final answer
    x = 206,786.22

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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.