Finding the Fourth Proportional to 168,403.43, 232,396.58 and 92,951.75
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Solution
The fourth proportional to 168,403.43, 232,396.58 and 92,951.75 is: 128,273.33
Step by Step Solution
- Step 1: Write the proportion equation
168,403.43 : 232,396.58 = 92,951.75 : x - Step 2: Convert to fraction form
168,403.43/232,396.58 = 92,951.75/x - Step 3: Cross multiply
168,403.43x = 232,396.58 × 92,951.75 - Step 4: Simplify right side
168,403.43x = 21,601,667,875.41 - Step 5: Solve for x
x = 21,601,667,875.41/168,403.43 - Step 6: Final answer
x = 128,273.33
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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.