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Finding the Fourth Proportional to 238,453.65, 329,072.13 and 131,026.41

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Solution

The fourth proportional to 238,453.65, 329,072.13 and 131,026.41 is: 180,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,453.65 : 329,072.13 = 131,026.41 : x
  2. Step 2: Convert to fraction form
    238,453.65/329,072.13 = 131,026.41/x
  3. Step 3: Cross multiply
    238,453.65x = 329,072.13 × 131,026.41
  4. Step 4: Simplify right side
    238,453.65x = 43,117,139,824.95
  5. Step 5: Solve for x
    x = 43,117,139,824.95/238,453.65
  6. Step 6: Final answer
    x = 180,819.79

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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.