Finding the Fourth Proportional to 125,769.78, 173,558.64 and 69,181.14
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Solution
The fourth proportional to 125,769.78, 173,558.64 and 69,181.14 is: 95,467.96
Step by Step Solution
- Step 1: Write the proportion equation
125,769.78 : 173,558.64 = 69,181.14 : x - Step 2: Convert to fraction form
125,769.78/173,558.64 = 69,181.14/x - Step 3: Cross multiply
125,769.78x = 173,558.64 × 69,181.14 - Step 4: Simplify right side
125,769.78x = 12,006,984,572.05 - Step 5: Solve for x
x = 12,006,984,572.05/125,769.78 - Step 6: Final answer
x = 95,467.96
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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.