Finding the Fourth Proportional to 216,514.60, 324,772.08 and 58,743.07
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Solution
The fourth proportional to 216,514.60, 324,772.08 and 58,743.07 is: 88,114.65
Step by Step Solution
- Step 1: Write the proportion equation
216,514.60 : 324,772.08 = 58,743.07 : x - Step 2: Convert to fraction form
216,514.60/324,772.08 = 58,743.07/x - Step 3: Cross multiply
216,514.60x = 324,772.08 × 58,743.07 - Step 4: Simplify right side
216,514.60x = 19,078,109,029.49 - Step 5: Solve for x
x = 19,078,109,029.49/216,514.60 - Step 6: Final answer
x = 88,114.65
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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.