Finding the Fourth Proportional to 118,973.50, 178,450.79 and 47,846
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Solution
The fourth proportional to 118,973.50, 178,450.79 and 47,846 is: 71,765.20
Step by Step Solution
- Step 1: Write the proportion equation
118,973.50 : 178,450.79 = 47,846 : x - Step 2: Convert to fraction form
118,973.50/178,450.79 = 47,846/x - Step 3: Cross multiply
118,973.50x = 178,450.79 × 47,846 - Step 4: Simplify right side
118,973.50x = 8,538,156,498.34 - Step 5: Solve for x
x = 8,538,156,498.34/118,973.50 - Step 6: Final answer
x = 71,765.20
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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.