Finding the Fourth Proportional to 127,943.94, 176,562.92 and 71,358.96
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Solution
The fourth proportional to 127,943.94, 176,562.92 and 71,358.96 is: 98,475.52
Step by Step Solution
- Step 1: Write the proportion equation
127,943.94 : 176,562.92 = 71,358.96 : x - Step 2: Convert to fraction form
127,943.94/176,562.92 = 71,358.96/x - Step 3: Cross multiply
127,943.94x = 176,562.92 × 71,358.96 - Step 4: Simplify right side
127,943.94x = 12,599,346,345.76 - Step 5: Solve for x
x = 12,599,346,345.76/127,943.94 - Step 6: Final answer
x = 98,475.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.