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Finding the Fourth Proportional to 270,093.64, 372,732.09 and 149,231.92

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Solution

The fourth proportional to 270,093.64, 372,732.09 and 149,231.92 is: 205,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,093.64 : 372,732.09 = 149,231.92 : x
  2. Step 2: Convert to fraction form
    270,093.64/372,732.09 = 149,231.92/x
  3. Step 3: Cross multiply
    270,093.64x = 372,732.09 × 149,231.92
  4. Step 4: Simplify right side
    270,093.64x = 55,623,525,436.31
  5. Step 5: Solve for x
    x = 55,623,525,436.31/270,093.64
  6. Step 6: Final answer
    x = 205,941.63

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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.