Finding the Fourth Proportional to 118,529.76, 163,494 and 76,020.96
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Solution
The fourth proportional to 118,529.76, 163,494 and 76,020.96 is: 104,859.50
Step by Step Solution
- Step 1: Write the proportion equation
118,529.76 : 163,494 = 76,020.96 : x - Step 2: Convert to fraction form
118,529.76/163,494 = 76,020.96/x - Step 3: Cross multiply
118,529.76x = 163,494 × 76,020.96 - Step 4: Simplify right side
118,529.76x = 12,428,970,834.24 - Step 5: Solve for x
x = 12,428,970,834.24/118,529.76 - Step 6: Final answer
x = 104,859.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.