Finding the Fourth Proportional to 192,821.84, 289,419.78 and 93,052.26
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Solution
The fourth proportional to 192,821.84, 289,419.78 and 93,052.26 is: 139,668.65
Step by Step Solution
- Step 1: Write the proportion equation
192,821.84 : 289,419.78 = 93,052.26 : x - Step 2: Convert to fraction form
192,821.84/289,419.78 = 93,052.26/x - Step 3: Cross multiply
192,821.84x = 289,419.78 × 93,052.26 - Step 4: Simplify right side
192,821.84x = 26,931,164,617.70 - Step 5: Solve for x
x = 26,931,164,617.70/192,821.84 - Step 6: Final answer
x = 139,668.65
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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.