Finding the Fourth Proportional to 110,613.68, 165,921.18 and 27,507.68
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Solution
The fourth proportional to 110,613.68, 165,921.18 and 27,507.68 is: 41,261.68
Step by Step Solution
- Step 1: Write the proportion equation
110,613.68 : 165,921.18 = 27,507.68 : x - Step 2: Convert to fraction form
110,613.68/165,921.18 = 27,507.68/x - Step 3: Cross multiply
110,613.68x = 165,921.18 × 27,507.68 - Step 4: Simplify right side
110,613.68x = 4,564,106,724.66 - Step 5: Solve for x
x = 4,564,106,724.66/110,613.68 - Step 6: Final answer
x = 41,261.68
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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.