Finding the Fourth Proportional to 117,845.49, 176,795.88 and 38,959.19
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Solution
The fourth proportional to 117,845.49, 176,795.88 and 38,959.19 is: 58,447.92
Step by Step Solution
- Step 1: Write the proportion equation
117,845.49 : 176,795.88 = 38,959.19 : x - Step 2: Convert to fraction form
117,845.49/176,795.88 = 38,959.19/x - Step 3: Cross multiply
117,845.49x = 176,795.88 × 38,959.19 - Step 4: Simplify right side
117,845.49x = 6,887,824,280.14 - Step 5: Solve for x
x = 6,887,824,280.14/117,845.49 - Step 6: Final answer
x = 58,447.92
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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.