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Finding the Fourth Proportional to 237,906, 328,310.28 and 131,922

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Solution

The fourth proportional to 237,906, 328,310.28 and 131,922 is: 182,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,906 : 328,310.28 = 131,922 : x
  2. Step 2: Convert to fraction form
    237,906/328,310.28 = 131,922/x
  3. Step 3: Cross multiply
    237,906x = 328,310.28 × 131,922
  4. Step 4: Simplify right side
    237,906x = 43,311,348,758.16
  5. Step 5: Solve for x
    x = 43,311,348,758.16/237,906
  6. Step 6: Final answer
    x = 182,052.36

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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.