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Finding the Fourth Proportional to 272,168.30, 408,261.67 and 94,676.85

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Solution

The fourth proportional to 272,168.30, 408,261.67 and 94,676.85 is: 142,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,168.30 : 408,261.67 = 94,676.85 : x
  2. Step 2: Convert to fraction form
    272,168.30/408,261.67 = 94,676.85/x
  3. Step 3: Cross multiply
    272,168.30x = 408,261.67 × 94,676.85
  4. Step 4: Simplify right side
    272,168.30x = 38,652,928,654.65
  5. Step 5: Solve for x
    x = 38,652,928,654.65/272,168.30
  6. Step 6: Final answer
    x = 142,018.48

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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.