Finding the Fourth Proportional to 176,288.76, 243,253.99 and 103,694.94
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Solution
The fourth proportional to 176,288.76, 243,253.99 and 103,694.94 is: 143,084.61
Step by Step Solution
- Step 1: Write the proportion equation
176,288.76 : 243,253.99 = 103,694.94 : x - Step 2: Convert to fraction form
176,288.76/243,253.99 = 103,694.94/x - Step 3: Cross multiply
176,288.76x = 243,253.99 × 103,694.94 - Step 4: Simplify right side
176,288.76x = 25,224,207,897.81 - Step 5: Solve for x
x = 25,224,207,897.81/176,288.76 - Step 6: Final answer
x = 143,084.61
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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.