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Finding the Fourth Proportional to 251,376.76, 346,863.84 and 147,949.48

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Solution

The fourth proportional to 251,376.76, 346,863.84 and 147,949.48 is: 204,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,376.76 : 346,863.84 = 147,949.48 : x
  2. Step 2: Convert to fraction form
    251,376.76/346,863.84 = 147,949.48/x
  3. Step 3: Cross multiply
    251,376.76x = 346,863.84 × 147,949.48
  4. Step 4: Simplify right side
    251,376.76x = 51,318,324,758.80
  5. Step 5: Solve for x
    x = 51,318,324,758.80/251,376.76
  6. Step 6: Final answer
    x = 204,149.04

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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.