Finding the Fourth Proportional to 118,297.44, 163,250.31 and 75,855.99
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Solution
The fourth proportional to 118,297.44, 163,250.31 and 75,855.99 is: 104,681.17
Step by Step Solution
- Step 1: Write the proportion equation
118,297.44 : 163,250.31 = 75,855.99 : x - Step 2: Convert to fraction form
118,297.44/163,250.31 = 75,855.99/x - Step 3: Cross multiply
118,297.44x = 163,250.31 × 75,855.99 - Step 4: Simplify right side
118,297.44x = 12,383,513,882.86 - Step 5: Solve for x
x = 12,383,513,882.86/118,297.44 - Step 6: Final answer
x = 104,681.17
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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.