Finding the Fourth Proportional to 170,977.80, 256,466.70 and 44,617.80
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Solution
The fourth proportional to 170,977.80, 256,466.70 and 44,617.80 is: 66,926.70
Step by Step Solution
- Step 1: Write the proportion equation
170,977.80 : 256,466.70 = 44,617.80 : x - Step 2: Convert to fraction form
170,977.80/256,466.70 = 44,617.80/x - Step 3: Cross multiply
170,977.80x = 256,466.70 × 44,617.80 - Step 4: Simplify right side
170,977.80x = 11,442,979,927.26 - Step 5: Solve for x
x = 11,442,979,927.26/170,977.80 - Step 6: Final answer
x = 66,926.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.