Finding the Fourth Proportional to 186,272.58, 279,338.35 and 79,652.07
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Solution
The fourth proportional to 186,272.58, 279,338.35 and 79,652.07 is: 119,447.95
Step by Step Solution
- Step 1: Write the proportion equation
186,272.58 : 279,338.35 = 79,652.07 : x - Step 2: Convert to fraction form
186,272.58/279,338.35 = 79,652.07/x - Step 3: Cross multiply
186,272.58x = 279,338.35 × 79,652.07 - Step 4: Simplify right side
186,272.58x = 22,249,877,807.88 - Step 5: Solve for x
x = 22,249,877,807.88/186,272.58 - Step 6: Final answer
x = 119,447.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.