Finding the Fourth Proportional to 117,574.41, 162,248.08 and 69,826.53
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Solution
The fourth proportional to 117,574.41, 162,248.08 and 69,826.53 is: 96,357.88
Step by Step Solution
- Step 1: Write the proportion equation
117,574.41 : 162,248.08 = 69,826.53 : x - Step 2: Convert to fraction form
117,574.41/162,248.08 = 69,826.53/x - Step 3: Cross multiply
117,574.41x = 162,248.08 × 69,826.53 - Step 4: Simplify right side
117,574.41x = 11,329,220,425.56 - Step 5: Solve for x
x = 11,329,220,425.56/117,574.41 - Step 6: Final answer
x = 96,357.88
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1.5x scale
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.