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Finding the Fourth Proportional to 122,372.92, 168,892.22 and 67,937.58

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Solution

The fourth proportional to 122,372.92, 168,892.22 and 67,937.58 is: 93,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,372.92 : 168,892.22 = 67,937.58 : x
  2. Step 2: Convert to fraction form
    122,372.92/168,892.22 = 67,937.58/x
  3. Step 3: Cross multiply
    122,372.92x = 168,892.22 × 67,937.58
  4. Step 4: Simplify right side
    122,372.92x = 11,474,128,367.94
  5. Step 5: Solve for x
    x = 11,474,128,367.94/122,372.92
  6. Step 6: Final answer
    x = 93,763.63

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1.5x scale

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.