Finding the Fourth Proportional to 125,698.24, 173,464.02 and 69,113.20
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Solution
The fourth proportional to 125,698.24, 173,464.02 and 69,113.20 is: 95,376.46
Step by Step Solution
- Step 1: Write the proportion equation
125,698.24 : 173,464.02 = 69,113.20 : x - Step 2: Convert to fraction form
125,698.24/173,464.02 = 69,113.20/x - Step 3: Cross multiply
125,698.24x = 173,464.02 × 69,113.20 - Step 4: Simplify right side
125,698.24x = 11,988,653,507.06 - Step 5: Solve for x
x = 11,988,653,507.06/125,698.24 - Step 6: Final answer
x = 95,376.46
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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.