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Finding the Fourth Proportional to 171,249.60, 256,874.76 and 92,400.96

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Solution

The fourth proportional to 171,249.60, 256,874.76 and 92,400.96 is: 138,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,249.60 : 256,874.76 = 92,400.96 : x
  2. Step 2: Convert to fraction form
    171,249.60/256,874.76 = 92,400.96/x
  3. Step 3: Cross multiply
    171,249.60x = 256,874.76 × 92,400.96
  4. Step 4: Simplify right side
    171,249.60x = 23,735,474,423.77
  5. Step 5: Solve for x
    x = 23,735,474,423.77/171,249.60
  6. Step 6: Final answer
    x = 138,601.63

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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.