Finding the Fourth Proportional to 168,682.43, 232,781.55 and 92,202.02
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Solution
The fourth proportional to 168,682.43, 232,781.55 and 92,202.02 is: 127,238.69
Step by Step Solution
- Step 1: Write the proportion equation
168,682.43 : 232,781.55 = 92,202.02 : x - Step 2: Convert to fraction form
168,682.43/232,781.55 = 92,202.02/x - Step 3: Cross multiply
168,682.43x = 232,781.55 × 92,202.02 - Step 4: Simplify right side
168,682.43x = 21,462,930,320.03 - Step 5: Solve for x
x = 21,462,930,320.03/168,682.43 - Step 6: Final answer
x = 127,238.69
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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.