Finding the Fourth Proportional to 110,082.23, 151,959.98 and 74,320.68
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Solution
The fourth proportional to 110,082.23, 151,959.98 and 74,320.68 is: 102,593.94
Step by Step Solution
- Step 1: Write the proportion equation
110,082.23 : 151,959.98 = 74,320.68 : x - Step 2: Convert to fraction form
110,082.23/151,959.98 = 74,320.68/x - Step 3: Cross multiply
110,082.23x = 151,959.98 × 74,320.68 - Step 4: Simplify right side
110,082.23x = 11,293,769,232.19 - Step 5: Solve for x
x = 11,293,769,232.19/110,082.23 - Step 6: Final answer
x = 102,593.94
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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.