Finding the Fourth Proportional to 117,896.64, 175,772.95 and 104,599.68
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Solution
The fourth proportional to 117,896.64, 175,772.95 and 104,599.68 is: 155,948.42
Step by Step Solution
- Step 1: Write the proportion equation
117,896.64 : 175,772.95 = 104,599.68 : x - Step 2: Convert to fraction form
117,896.64/175,772.95 = 104,599.68/x - Step 3: Cross multiply
117,896.64x = 175,772.95 × 104,599.68 - Step 4: Simplify right side
117,896.64x = 18,385,794,322.66 - Step 5: Solve for x
x = 18,385,794,322.66/117,896.64 - Step 6: Final answer
x = 155,948.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.