Finding the Fourth Proportional to 176,806.76, 243,989.88 and 96,236.06
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Solution
The fourth proportional to 176,806.76, 243,989.88 and 96,236.06 is: 132,803.89
Step by Step Solution
- Step 1: Write the proportion equation
176,806.76 : 243,989.88 = 96,236.06 : x - Step 2: Convert to fraction form
176,806.76/243,989.88 = 96,236.06/x - Step 3: Cross multiply
176,806.76x = 243,989.88 × 96,236.06 - Step 4: Simplify right side
176,806.76x = 23,480,624,731.07 - Step 5: Solve for x
x = 23,480,624,731.07/176,806.76 - Step 6: Final answer
x = 132,803.89
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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.