Finding the Fourth Proportional to 168,828.01, 232,988.75 and 93,377.05
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Solution
The fourth proportional to 168,828.01, 232,988.75 and 93,377.05 is: 128,863.70
Step by Step Solution
- Step 1: Write the proportion equation
168,828.01 : 232,988.75 = 93,377.05 : x - Step 2: Convert to fraction form
168,828.01/232,988.75 = 93,377.05/x - Step 3: Cross multiply
168,828.01x = 232,988.75 × 93,377.05 - Step 4: Simplify right side
168,828.01x = 21,755,801,691.30 - Step 5: Solve for x
x = 21,755,801,691.30/168,828.01 - Step 6: Final answer
x = 128,863.70
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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.