Finding the Fourth Proportional to 134,533.93, 185,658.11 and 74,104.84
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Solution
The fourth proportional to 134,533.93, 185,658.11 and 74,104.84 is: 102,265.39
Step by Step Solution
- Step 1: Write the proportion equation
134,533.93 : 185,658.11 = 74,104.84 : x - Step 2: Convert to fraction form
134,533.93/185,658.11 = 74,104.84/x - Step 3: Cross multiply
134,533.93x = 185,658.11 × 74,104.84 - Step 4: Simplify right side
134,533.93x = 13,758,164,536.25 - Step 5: Solve for x
x = 13,758,164,536.25/134,533.93 - Step 6: Final answer
x = 102,265.39
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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.