Finding the Fourth Proportional to 167,365.58, 230,879.09 and 106,872.62
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Solution
The fourth proportional to 167,365.58, 230,879.09 and 106,872.62 is: 147,429.68
Step by Step Solution
- Step 1: Write the proportion equation
167,365.58 : 230,879.09 = 106,872.62 : x - Step 2: Convert to fraction form
167,365.58/230,879.09 = 106,872.62/x - Step 3: Cross multiply
167,365.58x = 230,879.09 × 106,872.62 - Step 4: Simplify right side
167,365.58x = 24,674,652,364.30 - Step 5: Solve for x
x = 24,674,652,364.30/167,365.58 - Step 6: Final answer
x = 147,429.68
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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.