Finding the Fourth Proportional to 186,268.01, 279,412.34 and 53,138.03
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Solution
The fourth proportional to 186,268.01, 279,412.34 and 53,138.03 is: 79,709.99
Step by Step Solution
- Step 1: Write the proportion equation
186,268.01 : 279,412.34 = 53,138.03 : x - Step 2: Convert to fraction form
186,268.01/279,412.34 = 53,138.03/x - Step 3: Cross multiply
186,268.01x = 279,412.34 × 53,138.03 - Step 4: Simplify right side
186,268.01x = 14,847,421,305.29 - Step 5: Solve for x
x = 14,847,421,305.29/186,268.01 - Step 6: Final answer
x = 79,709.99
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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.