Finding the Fourth Proportional to 122,418.64, 183,594.36 and 33,651.28
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Solution
The fourth proportional to 122,418.64, 183,594.36 and 33,651.28 is: 50,467.68
Step by Step Solution
- Step 1: Write the proportion equation
122,418.64 : 183,594.36 = 33,651.28 : x - Step 2: Convert to fraction form
122,418.64/183,594.36 = 33,651.28/x - Step 3: Cross multiply
122,418.64x = 183,594.36 × 33,651.28 - Step 4: Simplify right side
122,418.64x = 6,178,185,214.78 - Step 5: Solve for x
x = 6,178,185,214.78/122,418.64 - Step 6: Final answer
x = 50,467.68
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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.