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Finding the Fourth Proportional to 132,754.78, 199,171.08 and 39,262.96

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Solution

The fourth proportional to 132,754.78, 199,171.08 and 39,262.96 is: 58,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,754.78 : 199,171.08 = 39,262.96 : x
  2. Step 2: Convert to fraction form
    132,754.78/199,171.08 = 39,262.96/x
  3. Step 3: Cross multiply
    132,754.78x = 199,171.08 × 39,262.96
  4. Step 4: Simplify right side
    132,754.78x = 7,820,046,147.20
  5. Step 5: Solve for x
    x = 7,820,046,147.20/132,754.78
  6. Step 6: Final answer
    x = 58,905.95

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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.