Finding the Fourth Proportional to 96,619.08, 144,699.50 and 76,564.08
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Solution
The fourth proportional to 96,619.08, 144,699.50 and 76,564.08 is: 114,664.56
Step by Step Solution
- Step 1: Write the proportion equation
96,619.08 : 144,699.50 = 76,564.08 : x - Step 2: Convert to fraction form
96,619.08/144,699.50 = 76,564.08/x - Step 3: Cross multiply
96,619.08x = 144,699.50 × 76,564.08 - Step 4: Simplify right side
96,619.08x = 11,078,784,093.96 - Step 5: Solve for x
x = 11,078,784,093.96/96,619.08 - Step 6: Final answer
x = 114,664.56
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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.