Finding the Fourth Proportional to 132,299.08, 182,576.86 and 75,728.68
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Solution
The fourth proportional to 132,299.08, 182,576.86 and 75,728.68 is: 104,507.94
Step by Step Solution
- Step 1: Write the proportion equation
132,299.08 : 182,576.86 = 75,728.68 : x - Step 2: Convert to fraction form
132,299.08/182,576.86 = 75,728.68/x - Step 3: Cross multiply
132,299.08x = 182,576.86 × 75,728.68 - Step 4: Simplify right side
132,299.08x = 13,826,304,606.34 - Step 5: Solve for x
x = 13,826,304,606.34/132,299.08 - Step 6: Final answer
x = 104,507.94
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1.5x scale
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.