Finding the Fourth Proportional to 165,548.13, 228,440.62 and 92,934.42
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Solution
The fourth proportional to 165,548.13, 228,440.62 and 92,934.42 is: 128,240.63
Step by Step Solution
- Step 1: Write the proportion equation
165,548.13 : 228,440.62 = 92,934.42 : x - Step 2: Convert to fraction form
165,548.13/228,440.62 = 92,934.42/x - Step 3: Cross multiply
165,548.13x = 228,440.62 × 92,934.42 - Step 4: Simplify right side
165,548.13x = 21,229,996,524.14 - Step 5: Solve for x
x = 21,229,996,524.14/165,548.13 - Step 6: Final answer
x = 128,240.63
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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.