Finding the Fourth Proportional to 224,638.52, 336,934.68 and 74,862.68
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Solution
The fourth proportional to 224,638.52, 336,934.68 and 74,862.68 is: 112,286.32
Step by Step Solution
- Step 1: Write the proportion equation
224,638.52 : 336,934.68 = 74,862.68 : x - Step 2: Convert to fraction form
224,638.52/336,934.68 = 74,862.68/x - Step 3: Cross multiply
224,638.52x = 336,934.68 × 74,862.68 - Step 4: Simplify right side
224,638.52x = 25,223,833,129.74 - Step 5: Solve for x
x = 25,223,833,129.74/224,638.52 - Step 6: Final answer
x = 112,286.32
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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.