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Finding the Fourth Proportional to 270,092.88, 372,718.15 and 149,231.57

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Solution

The fourth proportional to 270,092.88, 372,718.15 and 149,231.57 is: 205,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,092.88 : 372,718.15 = 149,231.57 : x
  2. Step 2: Convert to fraction form
    270,092.88/372,718.15 = 149,231.57/x
  3. Step 3: Cross multiply
    270,092.88x = 372,718.15 × 149,231.57
  4. Step 4: Simplify right side
    270,092.88x = 55,621,314,692.00
  5. Step 5: Solve for x
    x = 55,621,314,692.00/270,092.88
  6. Step 6: Final answer
    x = 205,934.03

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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.