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Finding the Fourth Proportional to 236,338.56, 326,203.20 and 135,794.88

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Solution

The fourth proportional to 236,338.56, 326,203.20 and 135,794.88 is: 187,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,338.56 : 326,203.20 = 135,794.88 : x
  2. Step 2: Convert to fraction form
    236,338.56/326,203.20 = 135,794.88/x
  3. Step 3: Cross multiply
    236,338.56x = 326,203.20 × 135,794.88
  4. Step 4: Simplify right side
    236,338.56x = 44,296,724,399.62
  5. Step 5: Solve for x
    x = 44,296,724,399.62/236,338.56
  6. Step 6: Final answer
    x = 187,429.10

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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.