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Finding the Fourth Proportional to 239,952.78, 331,137.33 and 132,525.54

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Solution

The fourth proportional to 239,952.78, 331,137.33 and 132,525.54 is: 182,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,952.78 : 331,137.33 = 132,525.54 : x
  2. Step 2: Convert to fraction form
    239,952.78/331,137.33 = 132,525.54/x
  3. Step 3: Cross multiply
    239,952.78x = 331,137.33 × 132,525.54
  4. Step 4: Simplify right side
    239,952.78x = 43,884,153,472.41
  5. Step 5: Solve for x
    x = 43,884,153,472.41/239,952.78
  6. Step 6: Final answer
    x = 182,886.62

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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.