Finding the Fourth Proportional to 206,566.06, 284,996.19 and 115,908.70
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Solution
The fourth proportional to 206,566.06, 284,996.19 and 115,908.70 is: 159,917.55
Step by Step Solution
- Step 1: Write the proportion equation
206,566.06 : 284,996.19 = 115,908.70 : x - Step 2: Convert to fraction form
206,566.06/284,996.19 = 115,908.70/x - Step 3: Cross multiply
206,566.06x = 284,996.19 × 115,908.70 - Step 4: Simplify right side
206,566.06x = 33,033,537,887.85 - Step 5: Solve for x
x = 33,033,537,887.85/206,566.06 - Step 6: Final answer
x = 159,917.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.