Finding the Fourth Proportional to 141,374.56, 195,163.68 and 89,717.62
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Solution
The fourth proportional to 141,374.56, 195,163.68 and 89,717.62 is: 123,852.70
Step by Step Solution
- Step 1: Write the proportion equation
141,374.56 : 195,163.68 = 89,717.62 : x - Step 2: Convert to fraction form
141,374.56/195,163.68 = 89,717.62/x - Step 3: Cross multiply
141,374.56x = 195,163.68 × 89,717.62 - Step 4: Simplify right side
141,374.56x = 17,509,620,880.04 - Step 5: Solve for x
x = 17,509,620,880.04/141,374.56 - Step 6: Final answer
x = 123,852.70
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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.