Finding the Fourth Proportional to 176,645.36, 243,763.58 and 96,072.84
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Solution
The fourth proportional to 176,645.36, 243,763.58 and 96,072.84 is: 132,576.70
Step by Step Solution
- Step 1: Write the proportion equation
176,645.36 : 243,763.58 = 96,072.84 : x - Step 2: Convert to fraction form
176,645.36/243,763.58 = 96,072.84/x - Step 3: Cross multiply
176,645.36x = 243,763.58 × 96,072.84 - Step 4: Simplify right side
176,645.36x = 23,419,058,938.80 - Step 5: Solve for x
x = 23,419,058,938.80/176,645.36 - Step 6: Final answer
x = 132,576.70
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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.