Finding the Fourth Proportional to 134,800.02, 186,024.64 and 74,372.44
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Solution
The fourth proportional to 134,800.02, 186,024.64 and 74,372.44 is: 102,634.31
Step by Step Solution
- Step 1: Write the proportion equation
134,800.02 : 186,024.64 = 74,372.44 : x - Step 2: Convert to fraction form
134,800.02/186,024.64 = 74,372.44/x - Step 3: Cross multiply
134,800.02x = 186,024.64 × 74,372.44 - Step 4: Simplify right side
134,800.02x = 13,835,106,376.92 - Step 5: Solve for x
x = 13,835,106,376.92/134,800.02 - Step 6: Final answer
x = 102,634.31
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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.