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Finding the Fourth Proportional to 239,668.64, 330,742.46 and 132,238.67

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Solution

The fourth proportional to 239,668.64, 330,742.46 and 132,238.67 is: 182,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,668.64 : 330,742.46 = 132,238.67 : x
  2. Step 2: Convert to fraction form
    239,668.64/330,742.46 = 132,238.67/x
  3. Step 3: Cross multiply
    239,668.64x = 330,742.46 × 132,238.67
  4. Step 4: Simplify right side
    239,668.64x = 43,736,940,708.02
  5. Step 5: Solve for x
    x = 43,736,940,708.02/239,668.64
  6. Step 6: Final answer
    x = 182,489.21

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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.