Finding the Fourth Proportional to 107,175.05, 147,894.36 and 59,426.63
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Solution
The fourth proportional to 107,175.05, 147,894.36 and 59,426.63 is: 82,004.75
Step by Step Solution
- Step 1: Write the proportion equation
107,175.05 : 147,894.36 = 59,426.63 : x - Step 2: Convert to fraction form
107,175.05/147,894.36 = 59,426.63/x - Step 3: Cross multiply
107,175.05x = 147,894.36 × 59,426.63 - Step 4: Simplify right side
107,175.05x = 8,788,863,410.81 - Step 5: Solve for x
x = 8,788,863,410.81/107,175.05 - Step 6: Final answer
x = 82,004.75
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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.