Finding the Fourth Proportional to 174,121.61, 260,936.08 and 74,181.18
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Solution
The fourth proportional to 174,121.61, 260,936.08 and 74,181.18 is: 111,166.82
Step by Step Solution
- Step 1: Write the proportion equation
174,121.61 : 260,936.08 = 74,181.18 : x - Step 2: Convert to fraction form
174,121.61/260,936.08 = 74,181.18/x - Step 3: Cross multiply
174,121.61x = 260,936.08 × 74,181.18 - Step 4: Simplify right side
174,121.61x = 19,356,546,318.97 - Step 5: Solve for x
x = 19,356,546,318.97/174,121.61 - Step 6: Final answer
x = 111,166.82
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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.