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Finding the Fourth Proportional to 239,685.41, 330,765.53 and 132,255.42

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Solution

The fourth proportional to 239,685.41, 330,765.53 and 132,255.42 is: 182,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,685.41 : 330,765.53 = 132,255.42 : x
  2. Step 2: Convert to fraction form
    239,685.41/330,765.53 = 132,255.42/x
  3. Step 3: Cross multiply
    239,685.41x = 330,765.53 × 132,255.42
  4. Step 4: Simplify right side
    239,685.41x = 43,745,532,190.02
  5. Step 5: Solve for x
    x = 43,745,532,190.02/239,685.41
  6. Step 6: Final answer
    x = 182,512.28

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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.