Finding the Fourth Proportional to 242,750.89, 364,170.08 and 74,268.05
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Solution
The fourth proportional to 242,750.89, 364,170.08 and 74,268.05 is: 111,415.46
Step by Step Solution
- Step 1: Write the proportion equation
242,750.89 : 364,170.08 = 74,268.05 : x - Step 2: Convert to fraction form
242,750.89/364,170.08 = 74,268.05/x - Step 3: Cross multiply
242,750.89x = 364,170.08 × 74,268.05 - Step 4: Simplify right side
242,750.89x = 27,046,202,806.04 - Step 5: Solve for x
x = 27,046,202,806.04/242,750.89 - Step 6: Final answer
x = 111,415.46
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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.