Finding the Fourth Proportional to 151,561.67, 209,068.28 and 94,874.63
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Solution
The fourth proportional to 151,561.67, 209,068.28 and 94,874.63 is: 130,872.64
Step by Step Solution
- Step 1: Write the proportion equation
151,561.67 : 209,068.28 = 94,874.63 : x - Step 2: Convert to fraction form
151,561.67/209,068.28 = 94,874.63/x - Step 3: Cross multiply
151,561.67x = 209,068.28 × 94,874.63 - Step 4: Simplify right side
151,561.67x = 19,835,275,709.74 - Step 5: Solve for x
x = 19,835,275,709.74/151,561.67 - Step 6: Final answer
x = 130,872.64
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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.