Finding the Fourth Proportional to 113,094.74, 169,592.28 and 53,140.27
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Solution
The fourth proportional to 113,094.74, 169,592.28 and 53,140.27 is: 79,686.99
Step by Step Solution
- Step 1: Write the proportion equation
113,094.74 : 169,592.28 = 53,140.27 : x - Step 2: Convert to fraction form
113,094.74/169,592.28 = 53,140.27/x - Step 3: Cross multiply
113,094.74x = 169,592.28 × 53,140.27 - Step 4: Simplify right side
113,094.74x = 9,012,179,125.13 - Step 5: Solve for x
x = 9,012,179,125.13/113,094.74 - Step 6: Final answer
x = 79,686.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.