Finding the Fourth Proportional to 117,005.70, 175,216.95 and 93,677.70
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Solution
The fourth proportional to 117,005.70, 175,216.95 and 93,677.70 is: 140,283.09
Step by Step Solution
- Step 1: Write the proportion equation
117,005.70 : 175,216.95 = 93,677.70 : x - Step 2: Convert to fraction form
117,005.70/175,216.95 = 93,677.70/x - Step 3: Cross multiply
117,005.70x = 175,216.95 × 93,677.70 - Step 4: Simplify right side
117,005.70x = 16,413,920,877.02 - Step 5: Solve for x
x = 16,413,920,877.02/117,005.70 - Step 6: Final answer
x = 140,283.09
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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.