Finding the Fourth Proportional to 119,305.47, 164,642.12 and 65,593.97
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Solution
The fourth proportional to 119,305.47, 164,642.12 and 65,593.97 is: 90,519.99
Step by Step Solution
- Step 1: Write the proportion equation
119,305.47 : 164,642.12 = 65,593.97 : x - Step 2: Convert to fraction form
119,305.47/164,642.12 = 65,593.97/x - Step 3: Cross multiply
119,305.47x = 164,642.12 × 65,593.97 - Step 4: Simplify right side
119,305.47x = 10,799,529,992.22 - Step 5: Solve for x
x = 10,799,529,992.22/119,305.47 - Step 6: Final answer
x = 90,519.99
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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.