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Finding the Fourth Proportional to 303,346.88, 454,825.88 and 125,976.32

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Solution

The fourth proportional to 303,346.88, 454,825.88 and 125,976.32 is: 188,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,346.88 : 454,825.88 = 125,976.32 : x
  2. Step 2: Convert to fraction form
    303,346.88/454,825.88 = 125,976.32/x
  3. Step 3: Cross multiply
    303,346.88x = 454,825.88 × 125,976.32
  4. Step 4: Simplify right side
    303,346.88x = 57,297,290,603.16
  5. Step 5: Solve for x
    x = 57,297,290,603.16/303,346.88
  6. Step 6: Final answer
    x = 188,883.73

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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.