Finding the Fourth Proportional to 242,764.44, 364,190.28 and 74,281.56
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Solution
The fourth proportional to 242,764.44, 364,190.28 and 74,281.56 is: 111,435.69
Step by Step Solution
- Step 1: Write the proportion equation
242,764.44 : 364,190.28 = 74,281.56 : x - Step 2: Convert to fraction form
242,764.44/364,190.28 = 74,281.56/x - Step 3: Cross multiply
242,764.44x = 364,190.28 × 74,281.56 - Step 4: Simplify right side
242,764.44x = 27,052,622,135.24 - Step 5: Solve for x
x = 27,052,622,135.24/242,764.44 - Step 6: Final answer
x = 111,435.69
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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.