Finding the Fourth Proportional to 116,714.28, 160,840.98 and 84,832.68
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Solution
The fourth proportional to 116,714.28, 160,840.98 and 84,832.68 is: 116,905.76
Step by Step Solution
- Step 1: Write the proportion equation
116,714.28 : 160,840.98 = 84,832.68 : x - Step 2: Convert to fraction form
116,714.28/160,840.98 = 84,832.68/x - Step 3: Cross multiply
116,714.28x = 160,840.98 × 84,832.68 - Step 4: Simplify right side
116,714.28x = 13,644,571,387.23 - Step 5: Solve for x
x = 13,644,571,387.23/116,714.28 - Step 6: Final answer
x = 116,905.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.