Finding the Fourth Proportional to 232,591.05, 348,665.09 and 74,708.82
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Solution
The fourth proportional to 232,591.05, 348,665.09 and 74,708.82 is: 111,992.09
Step by Step Solution
- Step 1: Write the proportion equation
232,591.05 : 348,665.09 = 74,708.82 : x - Step 2: Convert to fraction form
232,591.05/348,665.09 = 74,708.82/x - Step 3: Cross multiply
232,591.05x = 348,665.09 × 74,708.82 - Step 4: Simplify right side
232,591.05x = 26,048,357,075.55 - Step 5: Solve for x
x = 26,048,357,075.55/232,591.05 - Step 6: Final answer
x = 111,992.09
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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.