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Finding the Fourth Proportional to 265,291.75, 397,687.47 and 132,046.04

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Solution

The fourth proportional to 265,291.75, 397,687.47 and 132,046.04 is: 197,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,291.75 : 397,687.47 = 132,046.04 : x
  2. Step 2: Convert to fraction form
    265,291.75/397,687.47 = 132,046.04/x
  3. Step 3: Cross multiply
    265,291.75x = 397,687.47 × 132,046.04
  4. Step 4: Simplify right side
    265,291.75x = 52,513,055,571.12
  5. Step 5: Solve for x
    x = 52,513,055,571.12/265,291.75
  6. Step 6: Final answer
    x = 197,944.55

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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.