Finding the Fourth Proportional to 125,960.24, 188,874.74 and 47,009.54
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Solution
The fourth proportional to 125,960.24, 188,874.74 and 47,009.54 is: 70,489.82
Step by Step Solution
- Step 1: Write the proportion equation
125,960.24 : 188,874.74 = 47,009.54 : x - Step 2: Convert to fraction form
125,960.24/188,874.74 = 47,009.54/x - Step 3: Cross multiply
125,960.24x = 188,874.74 × 47,009.54 - Step 4: Simplify right side
125,960.24x = 8,878,913,818.17 - Step 5: Solve for x
x = 8,878,913,818.17/125,960.24 - Step 6: Final answer
x = 70,489.82
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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.