Finding the Fourth Proportional to 116,027.68, 160,118.16 and 68,281.12
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Solution
The fourth proportional to 116,027.68, 160,118.16 and 68,281.12 is: 94,227.92
Step by Step Solution
- Step 1: Write the proportion equation
116,027.68 : 160,118.16 = 68,281.12 : x - Step 2: Convert to fraction form
116,027.68/160,118.16 = 68,281.12/x - Step 3: Cross multiply
116,027.68x = 160,118.16 × 68,281.12 - Step 4: Simplify right side
116,027.68x = 10,933,047,297.14 - Step 5: Solve for x
x = 10,933,047,297.14/116,027.68 - Step 6: Final answer
x = 94,227.92
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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.