Finding the Fourth Proportional to 226,584.48, 312,690.18 and 124,614.38
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Solution
The fourth proportional to 226,584.48, 312,690.18 and 124,614.38 is: 171,969.82
Step by Step Solution
- Step 1: Write the proportion equation
226,584.48 : 312,690.18 = 124,614.38 : x - Step 2: Convert to fraction form
226,584.48/312,690.18 = 124,614.38/x - Step 3: Cross multiply
226,584.48x = 312,690.18 × 124,614.38 - Step 4: Simplify right side
226,584.48x = 38,965,692,912.79 - Step 5: Solve for x
x = 38,965,692,912.79/226,584.48 - Step 6: Final answer
x = 171,969.82
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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.