Finding the Fourth Proportional to 117,532.44, 176,368.72 and 42,658.44
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Solution
The fourth proportional to 117,532.44, 176,368.72 and 42,658.44 is: 64,013.09
Step by Step Solution
- Step 1: Write the proportion equation
117,532.44 : 176,368.72 = 42,658.44 : x - Step 2: Convert to fraction form
117,532.44/176,368.72 = 42,658.44/x - Step 3: Cross multiply
117,532.44x = 176,368.72 × 42,658.44 - Step 4: Simplify right side
117,532.44x = 7,523,614,460.00 - Step 5: Solve for x
x = 7,523,614,460.00/117,532.44 - Step 6: Final answer
x = 64,013.09
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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.