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Finding the Fourth Proportional to 311,209.28, 466,863.28 and 111,525.36

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Solution

The fourth proportional to 311,209.28, 466,863.28 and 111,525.36 is: 167,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,209.28 : 466,863.28 = 111,525.36 : x
  2. Step 2: Convert to fraction form
    311,209.28/466,863.28 = 111,525.36/x
  3. Step 3: Cross multiply
    311,209.28x = 466,863.28 × 111,525.36
  4. Step 4: Simplify right side
    311,209.28x = 52,067,095,372.78
  5. Step 5: Solve for x
    x = 52,067,095,372.78/311,209.28
  6. Step 6: Final answer
    x = 167,305.73

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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.