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Finding the Fourth Proportional to 135,672.59, 203,505.71 and 35,839.77

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Solution

The fourth proportional to 135,672.59, 203,505.71 and 35,839.77 is: 53,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,672.59 : 203,505.71 = 35,839.77 : x
  2. Step 2: Convert to fraction form
    135,672.59/203,505.71 = 35,839.77/x
  3. Step 3: Cross multiply
    135,672.59x = 203,505.71 × 35,839.77
  4. Step 4: Simplify right side
    135,672.59x = 7,293,597,660.89
  5. Step 5: Solve for x
    x = 7,293,597,660.89/135,672.59
  6. Step 6: Final answer
    x = 53,758.82

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1.5x scale

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.