Finding the Fourth Proportional to 122,170.95, 183,285.12 and 37,926.81
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Solution
The fourth proportional to 122,170.95, 183,285.12 and 37,926.81 is: 56,899.12
Step by Step Solution
- Step 1: Write the proportion equation
122,170.95 : 183,285.12 = 37,926.81 : x - Step 2: Convert to fraction form
122,170.95/183,285.12 = 37,926.81/x - Step 3: Cross multiply
122,170.95x = 183,285.12 × 37,926.81 - Step 4: Simplify right side
122,170.95x = 6,951,419,922.07 - Step 5: Solve for x
x = 6,951,419,922.07/122,170.95 - Step 6: Final answer
x = 56,899.12
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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.