Finding the Fourth Proportional to 232,699.38, 348,934.11 and 136,660.68
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Solution
The fourth proportional to 232,699.38, 348,934.11 and 136,660.68 is: 204,923.51
Step by Step Solution
- Step 1: Write the proportion equation
232,699.38 : 348,934.11 = 136,660.68 : x - Step 2: Convert to fraction form
232,699.38/348,934.11 = 136,660.68/x - Step 3: Cross multiply
232,699.38x = 348,934.11 × 136,660.68 - Step 4: Simplify right side
232,699.38x = 47,685,572,747.79 - Step 5: Solve for x
x = 47,685,572,747.79/232,699.38 - Step 6: Final answer
x = 204,923.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.