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Finding the Fourth Proportional to 267,892.48, 401,559.24 and 90,338.44

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Solution

The fourth proportional to 267,892.48, 401,559.24 and 90,338.44 is: 135,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,892.48 : 401,559.24 = 90,338.44 : x
  2. Step 2: Convert to fraction form
    267,892.48/401,559.24 = 90,338.44/x
  3. Step 3: Cross multiply
    267,892.48x = 401,559.24 × 90,338.44
  4. Step 4: Simplify right side
    267,892.48x = 36,276,235,309.19
  5. Step 5: Solve for x
    x = 36,276,235,309.19/267,892.48
  6. Step 6: Final answer
    x = 135,413.41

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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.