Finding the Fourth Proportional to 182,709.76, 252,034.32 and 107,243.68
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Solution
The fourth proportional to 182,709.76, 252,034.32 and 107,243.68 is: 147,934.56
Step by Step Solution
- Step 1: Write the proportion equation
182,709.76 : 252,034.32 = 107,243.68 : x - Step 2: Convert to fraction form
182,709.76/252,034.32 = 107,243.68/x - Step 3: Cross multiply
182,709.76x = 252,034.32 × 107,243.68 - Step 4: Simplify right side
182,709.76x = 27,029,087,963.10 - Step 5: Solve for x
x = 27,029,087,963.10/182,709.76 - Step 6: Final answer
x = 147,934.56
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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.