Finding the Fourth Proportional to 122,263.23, 168,714.81 and 67,810.26
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Solution
The fourth proportional to 122,263.23, 168,714.81 and 67,810.26 is: 93,573.48
Step by Step Solution
- Step 1: Write the proportion equation
122,263.23 : 168,714.81 = 67,810.26 : x - Step 2: Convert to fraction form
122,263.23/168,714.81 = 67,810.26/x - Step 3: Cross multiply
122,263.23x = 168,714.81 × 67,810.26 - Step 4: Simplify right side
122,263.23x = 11,440,595,218.03 - Step 5: Solve for x
x = 11,440,595,218.03/122,263.23 - Step 6: Final answer
x = 93,573.48
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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.