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Finding the Fourth Proportional to 228,672.96, 343,126.50 and 108,865.44

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Solution

The fourth proportional to 228,672.96, 343,126.50 and 108,865.44 is: 163,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,672.96 : 343,126.50 = 108,865.44 : x
  2. Step 2: Convert to fraction form
    228,672.96/343,126.50 = 108,865.44/x
  3. Step 3: Cross multiply
    228,672.96x = 343,126.50 × 108,865.44
  4. Step 4: Simplify right side
    228,672.96x = 37,354,617,398.16
  5. Step 5: Solve for x
    x = 37,354,617,398.16/228,672.96
  6. Step 6: Final answer
    x = 163,353.89

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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.