Finding the Fourth Proportional to 132,637.75, 183,040.10 and 73,021.75
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Solution
The fourth proportional to 132,637.75, 183,040.10 and 73,021.75 is: 100,770.02
Step by Step Solution
- Step 1: Write the proportion equation
132,637.75 : 183,040.10 = 73,021.75 : x - Step 2: Convert to fraction form
132,637.75/183,040.10 = 73,021.75/x - Step 3: Cross multiply
132,637.75x = 183,040.10 × 73,021.75 - Step 4: Simplify right side
132,637.75x = 13,365,908,422.18 - Step 5: Solve for x
x = 13,365,908,422.18/132,637.75 - Step 6: Final answer
x = 100,770.02
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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.