Finding the Fourth Proportional to 106,221.58, 159,258.56 and 47,024.96
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Solution
The fourth proportional to 106,221.58, 159,258.56 and 47,024.96 is: 70,504.76
Step by Step Solution
- Step 1: Write the proportion equation
106,221.58 : 159,258.56 = 47,024.96 : x - Step 2: Convert to fraction form
106,221.58/159,258.56 = 47,024.96/x - Step 3: Cross multiply
106,221.58x = 159,258.56 × 47,024.96 - Step 4: Simplify right side
106,221.58x = 7,489,126,382.24 - Step 5: Solve for x
x = 7,489,126,382.24/106,221.58 - Step 6: Final answer
x = 70,504.76
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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.