Finding the Fourth Proportional to 132,444.08, 182,767.80 and 72,014.80
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Solution
The fourth proportional to 132,444.08, 182,767.80 and 72,014.80 is: 99,377.69
Step by Step Solution
- Step 1: Write the proportion equation
132,444.08 : 182,767.80 = 72,014.80 : x - Step 2: Convert to fraction form
132,444.08/182,767.80 = 72,014.80/x - Step 3: Cross multiply
132,444.08x = 182,767.80 × 72,014.80 - Step 4: Simplify right side
132,444.08x = 13,161,986,563.44 - Step 5: Solve for x
x = 13,161,986,563.44/132,444.08 - Step 6: Final answer
x = 99,377.69
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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.