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Finding the Fourth Proportional to 203,970.86, 305,809.73 and 95,839.25

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Solution

The fourth proportional to 203,970.86, 305,809.73 and 95,839.25 is: 143,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,970.86 : 305,809.73 = 95,839.25 : x
  2. Step 2: Convert to fraction form
    203,970.86/305,809.73 = 95,839.25/x
  3. Step 3: Cross multiply
    203,970.86x = 305,809.73 × 95,839.25
  4. Step 4: Simplify right side
    203,970.86x = 29,308,573,517.05
  5. Step 5: Solve for x
    x = 29,308,573,517.05/203,970.86
  6. Step 6: Final answer
    x = 143,690.01

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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.