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Finding the Fourth Proportional to 237,949.71, 356,223.36 and 208,425.21

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Solution

The fourth proportional to 237,949.71, 356,223.36 and 208,425.21 is: 312,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,949.71 : 356,223.36 = 208,425.21 : x
  2. Step 2: Convert to fraction form
    237,949.71/356,223.36 = 208,425.21/x
  3. Step 3: Cross multiply
    237,949.71x = 356,223.36 × 208,425.21
  4. Step 4: Simplify right side
    237,949.71x = 74,245,928,614.91
  5. Step 5: Solve for x
    x = 74,245,928,614.91/237,949.71
  6. Step 6: Final answer
    x = 312,023.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.