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Finding the Fourth Proportional to 265,149.56, 365,906.46 and 145,917.56

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Solution

The fourth proportional to 265,149.56, 365,906.46 and 145,917.56 is: 201,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,149.56 : 365,906.46 = 145,917.56 : x
  2. Step 2: Convert to fraction form
    265,149.56/365,906.46 = 145,917.56/x
  3. Step 3: Cross multiply
    265,149.56x = 365,906.46 × 145,917.56
  4. Step 4: Simplify right side
    265,149.56x = 53,392,178,381.41
  5. Step 5: Solve for x
    x = 53,392,178,381.41/265,149.56
  6. Step 6: Final answer
    x = 201,366.27

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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.