Finding the Fourth Proportional to 92,274.26, 137,905.76 and 67,366.76
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Solution
The fourth proportional to 92,274.26, 137,905.76 and 67,366.76 is: 100,680.99
Step by Step Solution
- Step 1: Write the proportion equation
92,274.26 : 137,905.76 = 67,366.76 : x - Step 2: Convert to fraction form
92,274.26/137,905.76 = 67,366.76/x - Step 3: Cross multiply
92,274.26x = 137,905.76 × 67,366.76 - Step 4: Simplify right side
92,274.26x = 9,290,263,715.43 - Step 5: Solve for x
x = 9,290,263,715.43/92,274.26 - Step 6: Final answer
x = 100,680.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.