Finding the Fourth Proportional to 125,603.42, 173,332.68 and 69,018.44
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Solution
The fourth proportional to 125,603.42, 173,332.68 and 69,018.44 is: 95,245.43
Step by Step Solution
- Step 1: Write the proportion equation
125,603.42 : 173,332.68 = 69,018.44 : x - Step 2: Convert to fraction form
125,603.42/173,332.68 = 69,018.44/x - Step 3: Cross multiply
125,603.42x = 173,332.68 × 69,018.44 - Step 4: Simplify right side
125,603.42x = 11,963,151,174.62 - Step 5: Solve for x
x = 11,963,151,174.62/125,603.42 - Step 6: Final answer
x = 95,245.43
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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.