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Finding the Fourth Proportional to 335,635.56, 503,628.86 and 135,977.16

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Solution

The fourth proportional to 335,635.56, 503,628.86 and 135,977.16 is: 204,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,635.56 : 503,628.86 = 135,977.16 : x
  2. Step 2: Convert to fraction form
    335,635.56/503,628.86 = 135,977.16/x
  3. Step 3: Cross multiply
    335,635.56x = 503,628.86 × 135,977.16
  4. Step 4: Simplify right side
    335,635.56x = 68,482,022,076.84
  5. Step 5: Solve for x
    x = 68,482,022,076.84/335,635.56
  6. Step 6: Final answer
    x = 204,036.85

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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.