Finding the Fourth Proportional to 104,554.80, 156,838.21 and 29,669.09
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Solution
The fourth proportional to 104,554.80, 156,838.21 and 29,669.09 is: 44,505.33
Step by Step Solution
- Step 1: Write the proportion equation
104,554.80 : 156,838.21 = 29,669.09 : x - Step 2: Convert to fraction form
104,554.80/156,838.21 = 29,669.09/x - Step 3: Cross multiply
104,554.80x = 156,838.21 × 29,669.09 - Step 4: Simplify right side
104,554.80x = 4,653,246,109.57 - Step 5: Solve for x
x = 4,653,246,109.57/104,554.80 - Step 6: Final answer
x = 44,505.33
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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.