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Finding the Fourth Proportional to 146,469.74, 202,149.79 and 92,759.76

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Solution

The fourth proportional to 146,469.74, 202,149.79 and 92,759.76 is: 128,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,469.74 : 202,149.79 = 92,759.76 : x
  2. Step 2: Convert to fraction form
    146,469.74/202,149.79 = 92,759.76/x
  3. Step 3: Cross multiply
    146,469.74x = 202,149.79 × 92,759.76
  4. Step 4: Simplify right side
    146,469.74x = 18,751,365,772.55
  5. Step 5: Solve for x
    x = 18,751,365,772.55/146,469.74
  6. Step 6: Final answer
    x = 128,022.12

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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.