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Finding the Fourth Proportional to 270,169.40, 372,841.26 and 149,318.48

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Solution

The fourth proportional to 270,169.40, 372,841.26 and 149,318.48 is: 206,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,169.40 : 372,841.26 = 149,318.48 : x
  2. Step 2: Convert to fraction form
    270,169.40/372,841.26 = 149,318.48/x
  3. Step 3: Cross multiply
    270,169.40x = 372,841.26 × 149,318.48
  4. Step 4: Simplify right side
    270,169.40x = 55,672,090,224.48
  5. Step 5: Solve for x
    x = 55,672,090,224.48/270,169.40
  6. Step 6: Final answer
    x = 206,063.64

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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.