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Finding the Fourth Proportional to 118,951.88, 164,168.17 and 68,650.88

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Solution

The fourth proportional to 118,951.88, 164,168.17 and 68,650.88 is: 94,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,951.88 : 164,168.17 = 68,650.88 : x
  2. Step 2: Convert to fraction form
    118,951.88/164,168.17 = 68,650.88/x
  3. Step 3: Cross multiply
    118,951.88x = 164,168.17 × 68,650.88
  4. Step 4: Simplify right side
    118,951.88x = 11,270,288,346.02
  5. Step 5: Solve for x
    x = 11,270,288,346.02/118,951.88
  6. Step 6: Final answer
    x = 94,746.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.