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Finding the Fourth Proportional to 85,195.86, 127,793.78 and 22,866.36

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Solution

The fourth proportional to 85,195.86, 127,793.78 and 22,866.36 is: 34,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,195.86 : 127,793.78 = 22,866.36 : x
  2. Step 2: Convert to fraction form
    85,195.86/127,793.78 = 22,866.36/x
  3. Step 3: Cross multiply
    85,195.86x = 127,793.78 × 22,866.36
  4. Step 4: Simplify right side
    85,195.86x = 2,922,178,725.96
  5. Step 5: Solve for x
    x = 2,922,178,725.96/85,195.86
  6. Step 6: Final answer
    x = 34,299.54

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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.