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Finding the Fourth Proportional to 239,728.19, 330,824.22 and 132,297.45

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Solution

The fourth proportional to 239,728.19, 330,824.22 and 132,297.45 is: 182,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,728.19 : 330,824.22 = 132,297.45 : x
  2. Step 2: Convert to fraction form
    239,728.19/330,824.22 = 132,297.45/x
  3. Step 3: Cross multiply
    239,728.19x = 330,824.22 × 132,297.45
  4. Step 4: Simplify right side
    239,728.19x = 43,767,200,704.24
  5. Step 5: Solve for x
    x = 43,767,200,704.24/239,728.19
  6. Step 6: Final answer
    x = 182,570.11

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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.