Finding the Fourth Proportional to 134,675.09, 185,852.91 and 74,247.95
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Solution
The fourth proportional to 134,675.09, 185,852.91 and 74,247.95 is: 102,462.88
Step by Step Solution
- Step 1: Write the proportion equation
134,675.09 : 185,852.91 = 74,247.95 : x - Step 2: Convert to fraction form
134,675.09/185,852.91 = 74,247.95/x - Step 3: Cross multiply
134,675.09x = 185,852.91 × 74,247.95 - Step 4: Simplify right side
134,675.09x = 13,799,196,639.77 - Step 5: Solve for x
x = 13,799,196,639.77/134,675.09 - Step 6: Final answer
x = 102,462.88
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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.