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Finding the Fourth Proportional to 169,395.22, 233,763.78 and 92,912.73

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Solution

The fourth proportional to 169,395.22, 233,763.78 and 92,912.73 is: 128,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,395.22 : 233,763.78 = 92,912.73 : x
  2. Step 2: Convert to fraction form
    169,395.22/233,763.78 = 92,912.73/x
  3. Step 3: Cross multiply
    169,395.22x = 233,763.78 × 92,912.73
  4. Step 4: Simplify right side
    169,395.22x = 21,719,630,974.92
  5. Step 5: Solve for x
    x = 21,719,630,974.92/169,395.22
  6. Step 6: Final answer
    x = 128,218.68

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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.