Finding the Fourth Proportional to 117,216.75, 176,039.63 and 107,335.26
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Solution
The fourth proportional to 117,216.75, 176,039.63 and 107,335.26 is: 161,199.31
Step by Step Solution
- Step 1: Write the proportion equation
117,216.75 : 176,039.63 = 107,335.26 : x - Step 2: Convert to fraction form
117,216.75/176,039.63 = 107,335.26/x - Step 3: Cross multiply
117,216.75x = 176,039.63 × 107,335.26 - Step 4: Simplify right side
117,216.75x = 18,895,258,919.68 - Step 5: Solve for x
x = 18,895,258,919.68/117,216.75 - Step 6: Final answer
x = 161,199.31
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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.