Finding the Fourth Proportional to 168,048.08, 231,922.70 and 125,532.80
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Solution
The fourth proportional to 168,048.08, 231,922.70 and 125,532.80 is: 173,247.48
Step by Step Solution
- Step 1: Write the proportion equation
168,048.08 : 231,922.70 = 125,532.80 : x - Step 2: Convert to fraction form
168,048.08/231,922.70 = 125,532.80/x - Step 3: Cross multiply
168,048.08x = 231,922.70 × 125,532.80 - Step 4: Simplify right side
168,048.08x = 29,113,905,914.56 - Step 5: Solve for x
x = 29,113,905,914.56/168,048.08 - Step 6: Final answer
x = 173,247.48
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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.