Finding the Fourth Proportional to 107,132.62, 160,730.36 and 47,955.12
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Solution
The fourth proportional to 107,132.62, 160,730.36 and 47,955.12 is: 71,946.75
Step by Step Solution
- Step 1: Write the proportion equation
107,132.62 : 160,730.36 = 47,955.12 : x - Step 2: Convert to fraction form
107,132.62/160,730.36 = 47,955.12/x - Step 3: Cross multiply
107,132.62x = 160,730.36 × 47,955.12 - Step 4: Simplify right side
107,132.62x = 7,707,843,701.44 - Step 5: Solve for x
x = 7,707,843,701.44/107,132.62 - Step 6: Final answer
x = 71,946.75
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1.5x scale
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.