Finding the Fourth Proportional to 107,394.24, 148,195.36 and 62,075.15
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Solution
The fourth proportional to 107,394.24, 148,195.36 and 62,075.15 is: 85,658.68
Step by Step Solution
- Step 1: Write the proportion equation
107,394.24 : 148,195.36 = 62,075.15 : x - Step 2: Convert to fraction form
107,394.24/148,195.36 = 62,075.15/x - Step 3: Cross multiply
107,394.24x = 148,195.36 × 62,075.15 - Step 4: Simplify right side
107,394.24x = 9,199,249,201.30 - Step 5: Solve for x
x = 9,199,249,201.30/107,394.24 - Step 6: Final answer
x = 85,658.68
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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.