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Finding the Fourth Proportional to 151,906.40, 227,422.20 and 92,857.40

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Solution

The fourth proportional to 151,906.40, 227,422.20 and 92,857.40 is: 139,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,906.40 : 227,422.20 = 92,857.40 : x
  2. Step 2: Convert to fraction form
    151,906.40/227,422.20 = 92,857.40/x
  3. Step 3: Cross multiply
    151,906.40x = 227,422.20 × 92,857.40
  4. Step 4: Simplify right side
    151,906.40x = 21,117,834,194.28
  5. Step 5: Solve for x
    x = 21,117,834,194.28/151,906.40
  6. Step 6: Final answer
    x = 139,018.73

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1.5x scale

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.