Finding the Fourth Proportional to 96,651.09, 133,347.06 and 54,201.42
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Solution
The fourth proportional to 96,651.09, 133,347.06 and 54,201.42 is: 74,780.33
Step by Step Solution
- Step 1: Write the proportion equation
96,651.09 : 133,347.06 = 54,201.42 : x - Step 2: Convert to fraction form
96,651.09/133,347.06 = 54,201.42/x - Step 3: Cross multiply
96,651.09x = 133,347.06 × 54,201.42 - Step 4: Simplify right side
96,651.09x = 7,227,600,004.83 - Step 5: Solve for x
x = 7,227,600,004.83/96,651.09 - Step 6: Final answer
x = 74,780.33
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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.