Finding the Fourth Proportional to 167,422.37, 251,169.92 and 55,113.99
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Solution
The fourth proportional to 167,422.37, 251,169.92 and 55,113.99 is: 82,682.96
Step by Step Solution
- Step 1: Write the proportion equation
167,422.37 : 251,169.92 = 55,113.99 : x - Step 2: Convert to fraction form
167,422.37/251,169.92 = 55,113.99/x - Step 3: Cross multiply
167,422.37x = 251,169.92 × 55,113.99 - Step 4: Simplify right side
167,422.37x = 13,842,976,183.61 - Step 5: Solve for x
x = 13,842,976,183.61/167,422.37 - Step 6: Final answer
x = 82,682.96
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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.