Finding the Fourth Proportional to 317,284.97, 475,960.25 and 106,939.31
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Solution
The fourth proportional to 317,284.97, 475,960.25 and 106,939.31 is: 160,420.01
Step by Step Solution
- Step 1: Write the proportion equation
317,284.97 : 475,960.25 = 106,939.31 : x - Step 2: Convert to fraction form
317,284.97/475,960.25 = 106,939.31/x - Step 3: Cross multiply
317,284.97x = 475,960.25 × 106,939.31 - Step 4: Simplify right side
317,284.97x = 50,898,858,609.97 - Step 5: Solve for x
x = 50,898,858,609.97/317,284.97 - Step 6: Final answer
x = 160,420.01
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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.