Finding the Fourth Proportional to 242,699.44, 364,213.20 and 84,929.26
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Solution
The fourth proportional to 242,699.44, 364,213.20 and 84,929.26 is: 127,451.29
Step by Step Solution
- Step 1: Write the proportion equation
242,699.44 : 364,213.20 = 84,929.26 : x - Step 2: Convert to fraction form
242,699.44/364,213.20 = 84,929.26/x - Step 3: Cross multiply
242,699.44x = 364,213.20 × 84,929.26 - Step 4: Simplify right side
242,699.44x = 30,932,357,558.23 - Step 5: Solve for x
x = 30,932,357,558.23/242,699.44 - Step 6: Final answer
x = 127,451.29
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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.