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Finding the Fourth Proportional to 156,951.03, 235,512 and 68,204.19

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Solution

The fourth proportional to 156,951.03, 235,512 and 68,204.19 is: 102,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.03 : 235,512 = 68,204.19 : x
  2. Step 2: Convert to fraction form
    156,951.03/235,512 = 68,204.19/x
  3. Step 3: Cross multiply
    156,951.03x = 235,512 × 68,204.19
  4. Step 4: Simplify right side
    156,951.03x = 16,062,905,195.28
  5. Step 5: Solve for x
    x = 16,062,905,195.28/156,951.03
  6. Step 6: Final answer
    x = 102,343.42

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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.