Finding the Fourth Proportional to 176,532.41, 243,635.14 and 104,911.81
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Solution
The fourth proportional to 176,532.41, 243,635.14 and 104,911.81 is: 144,790.43
Step by Step Solution
- Step 1: Write the proportion equation
176,532.41 : 243,635.14 = 104,911.81 : x - Step 2: Convert to fraction form
176,532.41/243,635.14 = 104,911.81/x - Step 3: Cross multiply
176,532.41x = 243,635.14 × 104,911.81 - Step 4: Simplify right side
176,532.41x = 25,560,203,039.06 - Step 5: Solve for x
x = 25,560,203,039.06/176,532.41 - Step 6: Final answer
x = 144,790.43
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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.