Finding the Fourth Proportional to 122,535.09, 183,813.96 and 47,660.92
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Solution
The fourth proportional to 122,535.09, 183,813.96 and 47,660.92 is: 71,495.78
Step by Step Solution
- Step 1: Write the proportion equation
122,535.09 : 183,813.96 = 47,660.92 : x - Step 2: Convert to fraction form
122,535.09/183,813.96 = 47,660.92/x - Step 3: Cross multiply
122,535.09x = 183,813.96 × 47,660.92 - Step 4: Simplify right side
122,535.09x = 8,760,742,442.44 - Step 5: Solve for x
x = 8,760,742,442.44/122,535.09 - Step 6: Final answer
x = 71,495.78
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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.