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Finding the Fourth Proportional to 373,810.13, 560,723.16 and 133,939.70

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Solution

The fourth proportional to 373,810.13, 560,723.16 and 133,939.70 is: 200,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,810.13 : 560,723.16 = 133,939.70 : x
  2. Step 2: Convert to fraction form
    373,810.13/560,723.16 = 133,939.70/x
  3. Step 3: Cross multiply
    373,810.13x = 560,723.16 × 133,939.70
  4. Step 4: Simplify right side
    373,810.13x = 75,103,091,163.75
  5. Step 5: Solve for x
    x = 75,103,091,163.75/373,810.13
  6. Step 6: Final answer
    x = 200,912.40

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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.