Finding the Fourth Proportional to 317,290.23, 475,936.97 and 106,929.99
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Solution
The fourth proportional to 317,290.23, 475,936.97 and 106,929.99 is: 160,395.53
Step by Step Solution
- Step 1: Write the proportion equation
317,290.23 : 475,936.97 = 106,929.99 : x - Step 2: Convert to fraction form
317,290.23/475,936.97 = 106,929.99/x - Step 3: Cross multiply
317,290.23x = 475,936.97 × 106,929.99 - Step 4: Simplify right side
317,290.23x = 50,891,934,908.08 - Step 5: Solve for x
x = 50,891,934,908.08/317,290.23 - Step 6: Final answer
x = 160,395.53
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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.