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Finding the Fourth Proportional to 266,079.93, 367,198.28 and 145,229.14

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Solution

The fourth proportional to 266,079.93, 367,198.28 and 145,229.14 is: 200,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,079.93 : 367,198.28 = 145,229.14 : x
  2. Step 2: Convert to fraction form
    266,079.93/367,198.28 = 145,229.14/x
  3. Step 3: Cross multiply
    266,079.93x = 367,198.28 × 145,229.14
  4. Step 4: Simplify right side
    266,079.93x = 53,327,890,413.88
  5. Step 5: Solve for x
    x = 53,327,890,413.88/266,079.93
  6. Step 6: Final answer
    x = 200,420.57

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1.5x scale

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.