Finding the Fourth Proportional to 114,331.35, 157,725.52 and 68,994.84
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Solution
The fourth proportional to 114,331.35, 157,725.52 and 68,994.84 is: 95,181.65
Step by Step Solution
- Step 1: Write the proportion equation
114,331.35 : 157,725.52 = 68,994.84 : x - Step 2: Convert to fraction form
114,331.35/157,725.52 = 68,994.84/x - Step 3: Cross multiply
114,331.35x = 157,725.52 × 68,994.84 - Step 4: Simplify right side
114,331.35x = 10,882,247,016.32 - Step 5: Solve for x
x = 10,882,247,016.32/114,331.35 - Step 6: Final answer
x = 95,181.65
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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.