Finding the Fourth Proportional to 107,189.68, 160,733.40 and 48,025.84
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Solution
The fourth proportional to 107,189.68, 160,733.40 and 48,025.84 is: 72,015.86
Step by Step Solution
- Step 1: Write the proportion equation
107,189.68 : 160,733.40 = 48,025.84 : x - Step 2: Convert to fraction form
107,189.68/160,733.40 = 48,025.84/x - Step 3: Cross multiply
107,189.68x = 160,733.40 × 48,025.84 - Step 4: Simplify right side
107,189.68x = 7,719,356,551.06 - Step 5: Solve for x
x = 7,719,356,551.06/107,189.68 - Step 6: Final answer
x = 72,015.86
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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.