Finding the Fourth Proportional to 117,845.55, 176,995.13 and 101,016.99
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Solution
The fourth proportional to 117,845.55, 176,995.13 and 101,016.99 is: 151,719.90
Step by Step Solution
- Step 1: Write the proportion equation
117,845.55 : 176,995.13 = 101,016.99 : x - Step 2: Convert to fraction form
117,845.55/176,995.13 = 101,016.99/x - Step 3: Cross multiply
117,845.55x = 176,995.13 × 101,016.99 - Step 4: Simplify right side
117,845.55x = 17,879,514,772.17 - Step 5: Solve for x
x = 17,879,514,772.17/117,845.55 - Step 6: Final answer
x = 151,719.90
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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.