Finding the Fourth Proportional to 168,917.20, 233,102.12 and 92,435.99
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Solution
The fourth proportional to 168,917.20, 233,102.12 and 92,435.99 is: 127,559.68
Step by Step Solution
- Step 1: Write the proportion equation
168,917.20 : 233,102.12 = 92,435.99 : x - Step 2: Convert to fraction form
168,917.20/233,102.12 = 92,435.99/x - Step 3: Cross multiply
168,917.20x = 233,102.12 × 92,435.99 - Step 4: Simplify right side
168,917.20x = 21,547,023,605.61 - Step 5: Solve for x
x = 21,547,023,605.61/168,917.20 - Step 6: Final answer
x = 127,559.68
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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.