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Finding the Fourth Proportional to 239,013.37, 329,843.84 and 135,654.39

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Solution

The fourth proportional to 239,013.37, 329,843.84 and 135,654.39 is: 187,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,013.37 : 329,843.84 = 135,654.39 : x
  2. Step 2: Convert to fraction form
    239,013.37/329,843.84 = 135,654.39/x
  3. Step 3: Cross multiply
    239,013.37x = 329,843.84 × 135,654.39
  4. Step 4: Simplify right side
    239,013.37x = 44,744,764,910.46
  5. Step 5: Solve for x
    x = 44,744,764,910.46/239,013.37
  6. Step 6: Final answer
    x = 187,206.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.