Finding the Fourth Proportional to 133,084.44, 183,645.50 and 75,708.50
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Solution
The fourth proportional to 133,084.44, 183,645.50 and 75,708.50 is: 104,471.45
Step by Step Solution
- Step 1: Write the proportion equation
133,084.44 : 183,645.50 = 75,708.50 : x - Step 2: Convert to fraction form
133,084.44/183,645.50 = 75,708.50/x - Step 3: Cross multiply
133,084.44x = 183,645.50 × 75,708.50 - Step 4: Simplify right side
133,084.44x = 13,903,524,039.98 - Step 5: Solve for x
x = 13,903,524,039.98/133,084.44 - Step 6: Final answer
x = 104,471.45
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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.