Finding the Fourth Proportional to 167,768.36, 231,536.64 and 125,253.08
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Solution
The fourth proportional to 167,768.36, 231,536.64 and 125,253.08 is: 172,861.42
Step by Step Solution
- Step 1: Write the proportion equation
167,768.36 : 231,536.64 = 125,253.08 : x - Step 2: Convert to fraction form
167,768.36/231,536.64 = 125,253.08/x - Step 3: Cross multiply
167,768.36x = 231,536.64 × 125,253.08 - Step 4: Simplify right side
167,768.36x = 29,000,677,292.85 - Step 5: Solve for x
x = 29,000,677,292.85/167,768.36 - Step 6: Final answer
x = 172,861.42
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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.