Finding the Fourth Proportional to 117,544.08, 176,162.12 and 54,356.20
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Solution
The fourth proportional to 117,544.08, 176,162.12 and 54,356.20 is: 81,463.09
Step by Step Solution
- Step 1: Write the proportion equation
117,544.08 : 176,162.12 = 54,356.20 : x - Step 2: Convert to fraction form
117,544.08/176,162.12 = 54,356.20/x - Step 3: Cross multiply
117,544.08x = 176,162.12 × 54,356.20 - Step 4: Simplify right side
117,544.08x = 9,575,503,427.14 - Step 5: Solve for x
x = 9,575,503,427.14/117,544.08 - Step 6: Final answer
x = 81,463.09
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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.