Finding the Fourth Proportional to 416,060.92, 624,184.98 and 131,768.74
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Solution
The fourth proportional to 416,060.92, 624,184.98 and 131,768.74 is: 197,682.75
Step by Step Solution
- Step 1: Write the proportion equation
416,060.92 : 624,184.98 = 131,768.74 : x - Step 2: Convert to fraction form
416,060.92/624,184.98 = 131,768.74/x - Step 3: Cross multiply
416,060.92x = 624,184.98 × 131,768.74 - Step 4: Simplify right side
416,060.92x = 82,248,068,341.53 - Step 5: Solve for x
x = 82,248,068,341.53/416,060.92 - Step 6: Final answer
x = 197,682.75
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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.