Finding the Fourth Proportional to 127,623.96, 176,124.87 and 73,925.82
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Solution
The fourth proportional to 127,623.96, 176,124.87 and 73,925.82 is: 102,019.84
Step by Step Solution
- Step 1: Write the proportion equation
127,623.96 : 176,124.87 = 73,925.82 : x - Step 2: Convert to fraction form
127,623.96/176,124.87 = 73,925.82/x - Step 3: Cross multiply
127,623.96x = 176,124.87 × 73,925.82 - Step 4: Simplify right side
127,623.96x = 13,020,175,437.14 - Step 5: Solve for x
x = 13,020,175,437.14/127,623.96 - Step 6: Final answer
x = 102,019.84
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1.5x scale
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.