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Finding the Fourth Proportional to 122,523.60, 169,083.24 and 68,076.12

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Solution

The fourth proportional to 122,523.60, 169,083.24 and 68,076.12 is: 93,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,523.60 : 169,083.24 = 68,076.12 : x
  2. Step 2: Convert to fraction form
    122,523.60/169,083.24 = 68,076.12/x
  3. Step 3: Cross multiply
    122,523.60x = 169,083.24 × 68,076.12
  4. Step 4: Simplify right side
    122,523.60x = 11,510,530,936.23
  5. Step 5: Solve for x
    x = 11,510,530,936.23/122,523.60
  6. Step 6: Final answer
    x = 93,945.42

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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.