Finding the Fourth Proportional to 104,722.20, 157,083.30 and 93,349.80
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Solution
The fourth proportional to 104,722.20, 157,083.30 and 93,349.80 is: 140,024.70
Step by Step Solution
- Step 1: Write the proportion equation
104,722.20 : 157,083.30 = 93,349.80 : x - Step 2: Convert to fraction form
104,722.20/157,083.30 = 93,349.80/x - Step 3: Cross multiply
104,722.20x = 157,083.30 × 93,349.80 - Step 4: Simplify right side
104,722.20x = 14,663,694,638.34 - Step 5: Solve for x
x = 14,663,694,638.34/104,722.20 - Step 6: Final answer
x = 140,024.70
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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.