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Finding the Fourth Proportional to 234,157.54, 351,197.02 and 84,369.92

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Solution

The fourth proportional to 234,157.54, 351,197.02 and 84,369.92 is: 126,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,157.54 : 351,197.02 = 84,369.92 : x
  2. Step 2: Convert to fraction form
    234,157.54/351,197.02 = 84,369.92/x
  3. Step 3: Cross multiply
    234,157.54x = 351,197.02 × 84,369.92
  4. Step 4: Simplify right side
    234,157.54x = 29,630,464,481.64
  5. Step 5: Solve for x
    x = 29,630,464,481.64/234,157.54
  6. Step 6: Final answer
    x = 126,540.72

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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.