Finding the Fourth Proportional to 98,146.12, 147,189.84 and 34,954.96
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Solution
The fourth proportional to 98,146.12, 147,189.84 and 34,954.96 is: 52,421.99
Step by Step Solution
- Step 1: Write the proportion equation
98,146.12 : 147,189.84 = 34,954.96 : x - Step 2: Convert to fraction form
98,146.12/147,189.84 = 34,954.96/x - Step 3: Cross multiply
98,146.12x = 147,189.84 × 34,954.96 - Step 4: Simplify right side
98,146.12x = 5,145,014,969.61 - Step 5: Solve for x
x = 5,145,014,969.61/98,146.12 - Step 6: Final answer
x = 52,421.99
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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.