Finding the Fourth Proportional to 74,889,907.10, 104,987,427.70 and 74,889,907.10
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Solution
The fourth proportional to 74,889,907.10, 104,987,427.70 and 74,889,907.10 is: 104,987,427.70
Step by Step Solution
- Step 1: Write the proportion equation
74,889,907.10 : 104,987,427.70 = 74,889,907.10 : x - Step 2: Convert to fraction form
74,889,907.10/104,987,427.70 = 74,889,907.10/x - Step 3: Cross multiply
74,889,907.10x = 104,987,427.70 × 74,889,907.10 - Step 4: Simplify right side
74,889,907.10x = 7,862,498,707,120,966 - Step 5: Solve for x
x = 7,862,498,707,120,966/74,889,907.10 - Step 6: Final answer
x = 104,987,427.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.