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Finding the Fourth Proportional to 373,810.32, 560,723.44 and 133,939.89

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Solution

The fourth proportional to 373,810.32, 560,723.44 and 133,939.89 is: 200,912.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,810.32 : 560,723.44 = 133,939.89 : x
  2. Step 2: Convert to fraction form
    373,810.32/560,723.44 = 133,939.89/x
  3. Step 3: Cross multiply
    373,810.32x = 560,723.44 × 133,939.89
  4. Step 4: Simplify right side
    373,810.32x = 75,103,235,874.02
  5. Step 5: Solve for x
    x = 75,103,235,874.02/373,810.32
  6. Step 6: Final answer
    x = 200,912.69

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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.