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Finding the Fourth Proportional to 265,149.69, 365,906.63 and 145,917.69

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Solution

The fourth proportional to 265,149.69, 365,906.63 and 145,917.69 is: 201,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,149.69 : 365,906.63 = 145,917.69 : x
  2. Step 2: Convert to fraction form
    265,149.69/365,906.63 = 145,917.69/x
  3. Step 3: Cross multiply
    265,149.69x = 365,906.63 × 145,917.69
  4. Step 4: Simplify right side
    265,149.69x = 53,392,250,205.28
  5. Step 5: Solve for x
    x = 53,392,250,205.28/265,149.69
  6. Step 6: Final answer
    x = 201,366.44

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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.