Finding the Fourth Proportional to 191,093.06, 286,638.53 and 48,938.06
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Solution
The fourth proportional to 191,093.06, 286,638.53 and 48,938.06 is: 73,406.81
Step by Step Solution
- Step 1: Write the proportion equation
191,093.06 : 286,638.53 = 48,938.06 : x - Step 2: Convert to fraction form
191,093.06/286,638.53 = 48,938.06/x - Step 3: Cross multiply
191,093.06x = 286,638.53 × 48,938.06 - Step 4: Simplify right side
191,093.06x = 14,027,531,901.57 - Step 5: Solve for x
x = 14,027,531,901.57/191,093.06 - Step 6: Final answer
x = 73,406.81
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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.