Finding the Fourth Proportional to 216,358.26, 298,554.27 and 125,713.26
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Solution
The fourth proportional to 216,358.26, 298,554.27 and 125,713.26 is: 173,472.60
Step by Step Solution
- Step 1: Write the proportion equation
216,358.26 : 298,554.27 = 125,713.26 : x - Step 2: Convert to fraction form
216,358.26/298,554.27 = 125,713.26/x - Step 3: Cross multiply
216,358.26x = 298,554.27 × 125,713.26 - Step 4: Simplify right side
216,358.26x = 37,532,230,568.62 - Step 5: Solve for x
x = 37,532,230,568.62/216,358.26 - Step 6: Final answer
x = 173,472.60
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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.