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Finding the Fourth Proportional to 252,700.56, 379,109.16 and 134,485.92

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Solution

The fourth proportional to 252,700.56, 379,109.16 and 134,485.92 is: 201,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,700.56 : 379,109.16 = 134,485.92 : x
  2. Step 2: Convert to fraction form
    252,700.56/379,109.16 = 134,485.92/x
  3. Step 3: Cross multiply
    252,700.56x = 379,109.16 × 134,485.92
  4. Step 4: Simplify right side
    252,700.56x = 50,984,844,163.03
  5. Step 5: Solve for x
    x = 50,984,844,163.03/252,700.56
  6. Step 6: Final answer
    x = 201,759.92

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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.