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Finding the Fourth Proportional to 92,354.36, 127,449.60 and 49,912.79

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Solution

The fourth proportional to 92,354.36, 127,449.60 and 49,912.79 is: 68,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,354.36 : 127,449.60 = 49,912.79 : x
  2. Step 2: Convert to fraction form
    92,354.36/127,449.60 = 49,912.79/x
  3. Step 3: Cross multiply
    92,354.36x = 127,449.60 × 49,912.79
  4. Step 4: Simplify right side
    92,354.36x = 6,361,365,120.38
  5. Step 5: Solve for x
    x = 6,361,365,120.38/92,354.36
  6. Step 6: Final answer
    x = 68,879.97

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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.