Finding the Fourth Proportional to 167,873.08, 231,677.94 and 92,435.08
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Solution
The fourth proportional to 167,873.08, 231,677.94 and 92,435.08 is: 127,567.62
Step by Step Solution
- Step 1: Write the proportion equation
167,873.08 : 231,677.94 = 92,435.08 : x - Step 2: Convert to fraction form
167,873.08/231,677.94 = 92,435.08/x - Step 3: Cross multiply
167,873.08x = 231,677.94 × 92,435.08 - Step 4: Simplify right side
167,873.08x = 21,415,168,918.14 - Step 5: Solve for x
x = 21,415,168,918.14/167,873.08 - Step 6: Final answer
x = 127,567.62
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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.