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Finding the Fourth Proportional to 238,185.52, 356,813.90 and 132,686.80

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Solution

The fourth proportional to 238,185.52, 356,813.90 and 132,686.80 is: 198,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,185.52 : 356,813.90 = 132,686.80 : x
  2. Step 2: Convert to fraction form
    238,185.52/356,813.90 = 132,686.80/x
  3. Step 3: Cross multiply
    238,185.52x = 356,813.90 × 132,686.80
  4. Step 4: Simplify right side
    238,185.52x = 47,344,494,586.52
  5. Step 5: Solve for x
    x = 47,344,494,586.52/238,185.52
  6. Step 6: Final answer
    x = 198,771.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.