Finding the Fourth Proportional to 175,901.18, 242,769.68 and 111,376.41
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Solution
The fourth proportional to 175,901.18, 242,769.68 and 111,376.41 is: 153,715.95
Step by Step Solution
- Step 1: Write the proportion equation
175,901.18 : 242,769.68 = 111,376.41 : x - Step 2: Convert to fraction form
175,901.18/242,769.68 = 111,376.41/x - Step 3: Cross multiply
175,901.18x = 242,769.68 × 111,376.41 - Step 4: Simplify right side
175,901.18x = 27,038,815,415.25 - Step 5: Solve for x
x = 27,038,815,415.25/175,901.18 - Step 6: Final answer
x = 153,715.95
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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.