Finding the Fourth Proportional to 119,941.14, 165,528.51 and 68,970.44
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Solution
The fourth proportional to 119,941.14, 165,528.51 and 68,970.44 is: 95,184.80
Step by Step Solution
- Step 1: Write the proportion equation
119,941.14 : 165,528.51 = 68,970.44 : x - Step 2: Convert to fraction form
119,941.14/165,528.51 = 68,970.44/x - Step 3: Cross multiply
119,941.14x = 165,528.51 × 68,970.44 - Step 4: Simplify right side
119,941.14x = 11,416,573,080.96 - Step 5: Solve for x
x = 11,416,573,080.96/119,941.14 - Step 6: Final answer
x = 95,184.80
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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.