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Finding the Fourth Proportional to 265,903.43, 366,933.24 and 145,043.73

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Solution

The fourth proportional to 265,903.43, 366,933.24 and 145,043.73 is: 200,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,903.43 : 366,933.24 = 145,043.73 : x
  2. Step 2: Convert to fraction form
    265,903.43/366,933.24 = 145,043.73/x
  3. Step 3: Cross multiply
    265,903.43x = 366,933.24 × 145,043.73
  4. Step 4: Simplify right side
    265,903.43x = 53,221,365,790.59
  5. Step 5: Solve for x
    x = 53,221,365,790.59/265,903.43
  6. Step 6: Final answer
    x = 200,152.99

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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.