Finding the Fourth Proportional to 122,649.48, 183,970.58 and 33,908.31
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Solution
The fourth proportional to 122,649.48, 183,970.58 and 33,908.31 is: 50,861.46
Step by Step Solution
- Step 1: Write the proportion equation
122,649.48 : 183,970.58 = 33,908.31 : x - Step 2: Convert to fraction form
122,649.48/183,970.58 = 33,908.31/x - Step 3: Cross multiply
122,649.48x = 183,970.58 × 33,908.31 - Step 4: Simplify right side
122,649.48x = 6,238,131,287.98 - Step 5: Solve for x
x = 6,238,131,287.98/122,649.48 - Step 6: Final answer
x = 50,861.46
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1.5x scale
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.