Finding the Fourth Proportional to 119,306.44, 164,642.99 and 65,592.37
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Solution
The fourth proportional to 119,306.44, 164,642.99 and 65,592.37 is: 90,517.53
Step by Step Solution
- Step 1: Write the proportion equation
119,306.44 : 164,642.99 = 65,592.37 : x - Step 2: Convert to fraction form
119,306.44/164,642.99 = 65,592.37/x - Step 3: Cross multiply
119,306.44x = 164,642.99 × 65,592.37 - Step 4: Simplify right side
119,306.44x = 10,799,323,917.99 - Step 5: Solve for x
x = 10,799,323,917.99/119,306.44 - Step 6: Final answer
x = 90,517.53
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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.