Finding the Fourth Proportional to 112,770.98, 169,156.26 and 49,575.99
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Solution
The fourth proportional to 112,770.98, 169,156.26 and 49,575.99 is: 74,363.90
Step by Step Solution
- Step 1: Write the proportion equation
112,770.98 : 169,156.26 = 49,575.99 : x - Step 2: Convert to fraction form
112,770.98/169,156.26 = 49,575.99/x - Step 3: Cross multiply
112,770.98x = 169,156.26 × 49,575.99 - Step 4: Simplify right side
112,770.98x = 8,386,089,054.20 - Step 5: Solve for x
x = 8,386,089,054.20/112,770.98 - Step 6: Final answer
x = 74,363.90
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1.5x scale
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.