Finding the Fourth Proportional to 132,417.99, 198,564.48 and 48,118.68
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Solution
The fourth proportional to 132,417.99, 198,564.48 and 48,118.68 is: 72,155.31
Step by Step Solution
- Step 1: Write the proportion equation
132,417.99 : 198,564.48 = 48,118.68 : x - Step 2: Convert to fraction form
132,417.99/198,564.48 = 48,118.68/x - Step 3: Cross multiply
132,417.99x = 198,564.48 × 48,118.68 - Step 4: Simplify right side
132,417.99x = 9,554,660,672.49 - Step 5: Solve for x
x = 9,554,660,672.49/132,417.99 - Step 6: Final answer
x = 72,155.31
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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.