Finding the Fourth Proportional to 106,775.04, 147,338.28 and 59,020.68
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Solution
The fourth proportional to 106,775.04, 147,338.28 and 59,020.68 is: 81,442.31
Step by Step Solution
- Step 1: Write the proportion equation
106,775.04 : 147,338.28 = 59,020.68 : x - Step 2: Convert to fraction form
106,775.04/147,338.28 = 59,020.68/x - Step 3: Cross multiply
106,775.04x = 147,338.28 × 59,020.68 - Step 4: Simplify right side
106,775.04x = 8,696,005,475.63 - Step 5: Solve for x
x = 8,696,005,475.63/106,775.04 - Step 6: Final answer
x = 81,442.31
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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.