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Finding the Fourth Proportional to 92,662.85, 127,874.95 and 50,221.37

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Solution

The fourth proportional to 92,662.85, 127,874.95 and 50,221.37 is: 69,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,662.85 : 127,874.95 = 50,221.37 : x
  2. Step 2: Convert to fraction form
    92,662.85/127,874.95 = 50,221.37/x
  3. Step 3: Cross multiply
    92,662.85x = 127,874.95 × 50,221.37
  4. Step 4: Simplify right side
    92,662.85x = 6,422,055,177.68
  5. Step 5: Solve for x
    x = 6,422,055,177.68/92,662.85
  6. Step 6: Final answer
    x = 69,305.61

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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.