Finding the Fourth Proportional to 132,767.17, 183,134.97 and 79,012.06
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Solution
The fourth proportional to 132,767.17, 183,134.97 and 79,012.06 is: 108,986.82
Step by Step Solution
- Step 1: Write the proportion equation
132,767.17 : 183,134.97 = 79,012.06 : x - Step 2: Convert to fraction form
132,767.17/183,134.97 = 79,012.06/x - Step 3: Cross multiply
132,767.17x = 183,134.97 × 79,012.06 - Step 4: Simplify right side
132,767.17x = 14,469,871,237.74 - Step 5: Solve for x
x = 14,469,871,237.74/132,767.17 - Step 6: Final answer
x = 108,986.82
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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.