Finding the Fourth Proportional to 202,044.76, 278,882.94 and 117,182.68
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Solution
The fourth proportional to 202,044.76, 278,882.94 and 117,182.68 is: 161,747.58
Step by Step Solution
- Step 1: Write the proportion equation
202,044.76 : 278,882.94 = 117,182.68 : x - Step 2: Convert to fraction form
202,044.76/278,882.94 = 117,182.68/x - Step 3: Cross multiply
202,044.76x = 278,882.94 × 117,182.68 - Step 4: Simplify right side
202,044.76x = 32,680,250,315.48 - Step 5: Solve for x
x = 32,680,250,315.48/202,044.76 - Step 6: Final answer
x = 161,747.58
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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.