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Finding the Fourth Proportional to 239,679.33, 330,744.60 and 132,228.33

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Solution

The fourth proportional to 239,679.33, 330,744.60 and 132,228.33 is: 182,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,679.33 : 330,744.60 = 132,228.33 : x
  2. Step 2: Convert to fraction form
    239,679.33/330,744.60 = 132,228.33/x
  3. Step 3: Cross multiply
    239,679.33x = 330,744.60 × 132,228.33
  4. Step 4: Simplify right side
    239,679.33x = 43,733,806,114.52
  5. Step 5: Solve for x
    x = 43,733,806,114.52/239,679.33
  6. Step 6: Final answer
    x = 182,467.99

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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.