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Finding the Fourth Proportional to 235,839.64, 353,550.36 and 169,111.84

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Solution

The fourth proportional to 235,839.64, 353,550.36 and 169,111.84 is: 253,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,839.64 : 353,550.36 = 169,111.84 : x
  2. Step 2: Convert to fraction form
    235,839.64/353,550.36 = 169,111.84/x
  3. Step 3: Cross multiply
    235,839.64x = 353,550.36 × 169,111.84
  4. Step 4: Simplify right side
    235,839.64x = 59,789,551,912.26
  5. Step 5: Solve for x
    x = 59,789,551,912.26/235,839.64
  6. Step 6: Final answer
    x = 253,517.82

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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.