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Finding the Fourth Proportional to 272,335.17, 375,730.26 and 194,745.27

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Solution

The fourth proportional to 272,335.17, 375,730.26 and 194,745.27 is: 268,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,335.17 : 375,730.26 = 194,745.27 : x
  2. Step 2: Convert to fraction form
    272,335.17/375,730.26 = 194,745.27/x
  3. Step 3: Cross multiply
    272,335.17x = 375,730.26 × 194,745.27
  4. Step 4: Simplify right side
    272,335.17x = 73,171,690,930.87
  5. Step 5: Solve for x
    x = 73,171,690,930.87/272,335.17
  6. Step 6: Final answer
    x = 268,682.49

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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.