Finding the Fourth Proportional to 94,229.80, 141,344.70 and 68,117.80
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Solution
The fourth proportional to 94,229.80, 141,344.70 and 68,117.80 is: 102,176.70
Step by Step Solution
- Step 1: Write the proportion equation
94,229.80 : 141,344.70 = 68,117.80 : x - Step 2: Convert to fraction form
94,229.80/141,344.70 = 68,117.80/x - Step 3: Cross multiply
94,229.80x = 141,344.70 × 68,117.80 - Step 4: Simplify right side
94,229.80x = 9,628,090,005.66 - Step 5: Solve for x
x = 9,628,090,005.66/94,229.80 - Step 6: Final answer
x = 102,176.70
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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.