Finding the Fourth Proportional to 113,231.24, 169,905.74 and 63,280.52
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Solution
The fourth proportional to 113,231.24, 169,905.74 and 63,280.52 is: 94,953.69
Step by Step Solution
- Step 1: Write the proportion equation
113,231.24 : 169,905.74 = 63,280.52 : x - Step 2: Convert to fraction form
113,231.24/169,905.74 = 63,280.52/x - Step 3: Cross multiply
113,231.24x = 169,905.74 × 63,280.52 - Step 4: Simplify right side
113,231.24x = 10,751,723,578.18 - Step 5: Solve for x
x = 10,751,723,578.18/113,231.24 - Step 6: Final answer
x = 94,953.69
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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.