Finding the Fourth Proportional to 107,494.53, 148,339.18 and 61,552.68
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Solution
The fourth proportional to 107,494.53, 148,339.18 and 61,552.68 is: 84,940.82
Step by Step Solution
- Step 1: Write the proportion equation
107,494.53 : 148,339.18 = 61,552.68 : x - Step 2: Convert to fraction form
107,494.53/148,339.18 = 61,552.68/x - Step 3: Cross multiply
107,494.53x = 148,339.18 × 61,552.68 - Step 4: Simplify right side
107,494.53x = 9,130,673,028.54 - Step 5: Solve for x
x = 9,130,673,028.54/107,494.53 - Step 6: Final answer
x = 84,940.82
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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.