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Finding the Fourth Proportional to 275,703.36, 413,610.39 and 125,903.43

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Solution

The fourth proportional to 275,703.36, 413,610.39 and 125,903.43 is: 188,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,703.36 : 413,610.39 = 125,903.43 : x
  2. Step 2: Convert to fraction form
    275,703.36/413,610.39 = 125,903.43/x
  3. Step 3: Cross multiply
    275,703.36x = 413,610.39 × 125,903.43
  4. Step 4: Simplify right side
    275,703.36x = 52,074,966,784.64
  5. Step 5: Solve for x
    x = 52,074,966,784.64/275,703.36
  6. Step 6: Final answer
    x = 188,880.42

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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.