Finding the Fourth Proportional to 141,074.96, 211,611.70 and 49,957.95
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Solution
The fourth proportional to 141,074.96, 211,611.70 and 49,957.95 is: 74,936.66
Step by Step Solution
- Step 1: Write the proportion equation
141,074.96 : 211,611.70 = 49,957.95 : x - Step 2: Convert to fraction form
141,074.96/211,611.70 = 49,957.95/x - Step 3: Cross multiply
141,074.96x = 211,611.70 × 49,957.95 - Step 4: Simplify right side
141,074.96x = 10,571,686,478.23 - Step 5: Solve for x
x = 10,571,686,478.23/141,074.96 - Step 6: Final answer
x = 74,936.66
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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.