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Finding the Fourth Proportional to 265,107.09, 397,600.73 and 75,563.39

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Solution

The fourth proportional to 265,107.09, 397,600.73 and 75,563.39 is: 113,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,107.09 : 397,600.73 = 75,563.39 : x
  2. Step 2: Convert to fraction form
    265,107.09/397,600.73 = 75,563.39/x
  3. Step 3: Cross multiply
    265,107.09x = 397,600.73 × 75,563.39
  4. Step 4: Simplify right side
    265,107.09x = 30,044,056,659.45
  5. Step 5: Solve for x
    x = 30,044,056,659.45/265,107.09
  6. Step 6: Final answer
    x = 113,328.00

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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.