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Finding the Fourth Proportional to 254,410.97, 381,650.57 and 134,525.90

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Solution

The fourth proportional to 254,410.97, 381,650.57 and 134,525.90 is: 201,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,410.97 : 381,650.57 = 134,525.90 : x
  2. Step 2: Convert to fraction form
    254,410.97/381,650.57 = 134,525.90/x
  3. Step 3: Cross multiply
    254,410.97x = 381,650.57 × 134,525.90
  4. Step 4: Simplify right side
    254,410.97x = 51,341,883,833.88
  5. Step 5: Solve for x
    x = 51,341,883,833.88/254,410.97
  6. Step 6: Final answer
    x = 201,806.88

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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.