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Finding the Fourth Proportional to 267,563.13, 401,093.60 and 89,945.93

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Solution

The fourth proportional to 267,563.13, 401,093.60 and 89,945.93 is: 134,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,563.13 : 401,093.60 = 89,945.93 : x
  2. Step 2: Convert to fraction form
    267,563.13/401,093.60 = 89,945.93/x
  3. Step 3: Cross multiply
    267,563.13x = 401,093.60 × 89,945.93
  4. Step 4: Simplify right side
    267,563.13x = 36,076,734,413.85
  5. Step 5: Solve for x
    x = 36,076,734,413.85/267,563.13
  6. Step 6: Final answer
    x = 134,834.48

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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.