Finding the Fourth Proportional to 121,261.10, 181,650.53 and 94,842.14
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Solution
The fourth proportional to 121,261.10, 181,650.53 and 94,842.14 is: 142,074.62
Step by Step Solution
- Step 1: Write the proportion equation
121,261.10 : 181,650.53 = 94,842.14 : x - Step 2: Convert to fraction form
121,261.10/181,650.53 = 94,842.14/x - Step 3: Cross multiply
121,261.10x = 181,650.53 × 94,842.14 - Step 4: Simplify right side
121,261.10x = 17,228,124,326.19 - Step 5: Solve for x
x = 17,228,124,326.19/121,261.10 - Step 6: Final answer
x = 142,074.62
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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.