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Finding the Fourth Proportional to 238,540, 329,185.84 and 132,556

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Solution

The fourth proportional to 238,540, 329,185.84 and 132,556 is: 182,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,540 : 329,185.84 = 132,556 : x
  2. Step 2: Convert to fraction form
    238,540/329,185.84 = 132,556/x
  3. Step 3: Cross multiply
    238,540x = 329,185.84 × 132,556
  4. Step 4: Simplify right side
    238,540x = 43,635,558,207.04
  5. Step 5: Solve for x
    x = 43,635,558,207.04/238,540
  6. Step 6: Final answer
    x = 182,927.64

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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.