Finding the Fourth Proportional to 96,247.14, 132,857.52 and 86,157.32
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Solution
The fourth proportional to 96,247.14, 132,857.52 and 86,157.32 is: 118,929.75
Step by Step Solution
- Step 1: Write the proportion equation
96,247.14 : 132,857.52 = 86,157.32 : x - Step 2: Convert to fraction form
96,247.14/132,857.52 = 86,157.32/x - Step 3: Cross multiply
96,247.14x = 132,857.52 × 86,157.32 - Step 4: Simplify right side
96,247.14x = 11,446,647,624.99 - Step 5: Solve for x
x = 11,446,647,624.99/96,247.14 - Step 6: Final answer
x = 118,929.75
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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.