Finding the Fourth Proportional to 117,482.02, 176,260.99 and 54,343.56
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Solution
The fourth proportional to 117,482.02, 176,260.99 and 54,343.56 is: 81,532.90
Step by Step Solution
- Step 1: Write the proportion equation
117,482.02 : 176,260.99 = 54,343.56 : x - Step 2: Convert to fraction form
117,482.02/176,260.99 = 54,343.56/x - Step 3: Cross multiply
117,482.02x = 176,260.99 × 54,343.56 - Step 4: Simplify right side
117,482.02x = 9,578,649,685.72 - Step 5: Solve for x
x = 9,578,649,685.72/117,482.02 - Step 6: Final answer
x = 81,532.90
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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.