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Finding the Fourth Proportional to 273,114.28, 376,684.05 and 177,651.46

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Solution

The fourth proportional to 273,114.28, 376,684.05 and 177,651.46 is: 245,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,114.28 : 376,684.05 = 177,651.46 : x
  2. Step 2: Convert to fraction form
    273,114.28/376,684.05 = 177,651.46/x
  3. Step 3: Cross multiply
    273,114.28x = 376,684.05 × 177,651.46
  4. Step 4: Simplify right side
    273,114.28x = 66,918,471,441.21
  5. Step 5: Solve for x
    x = 66,918,471,441.21/273,114.28
  6. Step 6: Final answer
    x = 245,020.04

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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.