Finding the Fourth Proportional to 135,074.08, 186,229.02 and 92,558.80
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Solution
The fourth proportional to 135,074.08, 186,229.02 and 92,558.80 is: 127,612.45
Step by Step Solution
- Step 1: Write the proportion equation
135,074.08 : 186,229.02 = 92,558.80 : x - Step 2: Convert to fraction form
135,074.08/186,229.02 = 92,558.80/x - Step 3: Cross multiply
135,074.08x = 186,229.02 × 92,558.80 - Step 4: Simplify right side
135,074.08x = 17,237,134,616.38 - Step 5: Solve for x
x = 17,237,134,616.38/135,074.08 - Step 6: Final answer
x = 127,612.45
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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.