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Finding the Fourth Proportional to 238,786.84, 329,536.92 and 131,354.92

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Solution

The fourth proportional to 238,786.84, 329,536.92 and 131,354.92 is: 181,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,786.84 : 329,536.92 = 131,354.92 : x
  2. Step 2: Convert to fraction form
    238,786.84/329,536.92 = 131,354.92/x
  3. Step 3: Cross multiply
    238,786.84x = 329,536.92 × 131,354.92
  4. Step 4: Simplify right side
    238,786.84x = 43,286,295,763.65
  5. Step 5: Solve for x
    x = 43,286,295,763.65/238,786.84
  6. Step 6: Final answer
    x = 181,275.89

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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.