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Finding the Fourth Proportional to 228,679.30, 342,835.76 and 108,676.02

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Solution

The fourth proportional to 228,679.30, 342,835.76 and 108,676.02 is: 162,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,679.30 : 342,835.76 = 108,676.02 : x
  2. Step 2: Convert to fraction form
    228,679.30/342,835.76 = 108,676.02/x
  3. Step 3: Cross multiply
    228,679.30x = 342,835.76 × 108,676.02
  4. Step 4: Simplify right side
    228,679.30x = 37,258,025,910.48
  5. Step 5: Solve for x
    x = 37,258,025,910.48/228,679.30
  6. Step 6: Final answer
    x = 162,926.97

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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.