Finding the Fourth Proportional to 107,276.80, 160,972.80 and 44,953.60
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Solution
The fourth proportional to 107,276.80, 160,972.80 and 44,953.60 is: 67,454.54
Step by Step Solution
- Step 1: Write the proportion equation
107,276.80 : 160,972.80 = 44,953.60 : x - Step 2: Convert to fraction form
107,276.80/160,972.80 = 44,953.60/x - Step 3: Cross multiply
107,276.80x = 160,972.80 × 44,953.60 - Step 4: Simplify right side
107,276.80x = 7,236,306,862.08 - Step 5: Solve for x
x = 7,236,306,862.08/107,276.80 - Step 6: Final answer
x = 67,454.54
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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.