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Finding the Fourth Proportional to 270,028.58, 405,100.26 and 92,487.92

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Solution

The fourth proportional to 270,028.58, 405,100.26 and 92,487.92 is: 138,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,028.58 : 405,100.26 = 92,487.92 : x
  2. Step 2: Convert to fraction form
    270,028.58/405,100.26 = 92,487.92/x
  3. Step 3: Cross multiply
    270,028.58x = 405,100.26 × 92,487.92
  4. Step 4: Simplify right side
    270,028.58x = 37,466,878,413.36
  5. Step 5: Solve for x
    x = 37,466,878,413.36/270,028.58
  6. Step 6: Final answer
    x = 138,751.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.