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Finding the Fourth Proportional to 373,811.13, 560,724.66 and 133,940.70

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Solution

The fourth proportional to 373,811.13, 560,724.66 and 133,940.70 is: 200,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,811.13 : 560,724.66 = 133,940.70 : x
  2. Step 2: Convert to fraction form
    373,811.13/560,724.66 = 133,940.70/x
  3. Step 3: Cross multiply
    373,811.13x = 560,724.66 × 133,940.70
  4. Step 4: Simplify right side
    373,811.13x = 75,103,853,467.66
  5. Step 5: Solve for x
    x = 75,103,853,467.66/373,811.13
  6. Step 6: Final answer
    x = 200,913.90

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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.