Finding the Fourth Proportional to 125,746.05, 188,554.28 and 46,819.65
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Solution
The fourth proportional to 125,746.05, 188,554.28 and 46,819.65 is: 70,205.35
Step by Step Solution
- Step 1: Write the proportion equation
125,746.05 : 188,554.28 = 46,819.65 : x - Step 2: Convert to fraction form
125,746.05/188,554.28 = 46,819.65/x - Step 3: Cross multiply
125,746.05x = 188,554.28 × 46,819.65 - Step 4: Simplify right side
125,746.05x = 8,828,045,161.50 - Step 5: Solve for x
x = 8,828,045,161.50/125,746.05 - Step 6: Final answer
x = 70,205.35
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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.