Finding the Fourth Proportional to 117,661.44, 176,392.84 and 51,051.36
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Solution
The fourth proportional to 117,661.44, 176,392.84 and 51,051.36 is: 76,533.95
Step by Step Solution
- Step 1: Write the proportion equation
117,661.44 : 176,392.84 = 51,051.36 : x - Step 2: Convert to fraction form
117,661.44/176,392.84 = 51,051.36/x - Step 3: Cross multiply
117,661.44x = 176,392.84 × 51,051.36 - Step 4: Simplify right side
117,661.44x = 9,005,094,376.26 - Step 5: Solve for x
x = 9,005,094,376.26/117,661.44 - Step 6: Final answer
x = 76,533.95
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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.