Finding the Fourth Proportional to 113,274.07, 169,804.99 and 38,341.78
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Solution
The fourth proportional to 113,274.07, 169,804.99 and 38,341.78 is: 57,476.75
Step by Step Solution
- Step 1: Write the proportion equation
113,274.07 : 169,804.99 = 38,341.78 : x - Step 2: Convert to fraction form
113,274.07/169,804.99 = 38,341.78/x - Step 3: Cross multiply
113,274.07x = 169,804.99 × 38,341.78 - Step 4: Simplify right side
113,274.07x = 6,510,625,569.48 - Step 5: Solve for x
x = 6,510,625,569.48/113,274.07 - Step 6: Final answer
x = 57,476.75
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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.