Finding the Fourth Proportional to 110,178.68, 166,252.77 and 110,178.68
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Solution
The fourth proportional to 110,178.68, 166,252.77 and 110,178.68 is: 166,252.77
Step by Step Solution
- Step 1: Write the proportion equation
110,178.68 : 166,252.77 = 110,178.68 : x - Step 2: Convert to fraction form
110,178.68/166,252.77 = 110,178.68/x - Step 3: Cross multiply
110,178.68x = 166,252.77 × 110,178.68 - Step 4: Simplify right side
110,178.68x = 18,317,510,744.94 - Step 5: Solve for x
x = 18,317,510,744.94/110,178.68 - Step 6: Final answer
x = 166,252.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.