Finding the Fourth Proportional to 178,708.11, 246,661.82 and 110,684.31
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Solution
The fourth proportional to 178,708.11, 246,661.82 and 110,684.31 is: 152,771.99
Step by Step Solution
- Step 1: Write the proportion equation
178,708.11 : 246,661.82 = 110,684.31 : x - Step 2: Convert to fraction form
178,708.11/246,661.82 = 110,684.31/x - Step 3: Cross multiply
178,708.11x = 246,661.82 × 110,684.31 - Step 4: Simplify right side
178,708.11x = 27,301,592,796.62 - Step 5: Solve for x
x = 27,301,592,796.62/178,708.11 - Step 6: Final answer
x = 152,771.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.