Finding the Fourth Proportional to 122,018.18, 182,694.36 and 92,346.26
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Solution
The fourth proportional to 122,018.18, 182,694.36 and 92,346.26 is: 138,267.44
Step by Step Solution
- Step 1: Write the proportion equation
122,018.18 : 182,694.36 = 92,346.26 : x - Step 2: Convert to fraction form
122,018.18/182,694.36 = 92,346.26/x - Step 3: Cross multiply
122,018.18x = 182,694.36 × 92,346.26 - Step 4: Simplify right side
122,018.18x = 16,871,140,869.09 - Step 5: Solve for x
x = 16,871,140,869.09/122,018.18 - Step 6: Final answer
x = 138,267.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.