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Finding the Fourth Proportional to 235,387.56, 353,236.86 and 110,738.28

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Solution

The fourth proportional to 235,387.56, 353,236.86 and 110,738.28 is: 166,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,387.56 : 353,236.86 = 110,738.28 : x
  2. Step 2: Convert to fraction form
    235,387.56/353,236.86 = 110,738.28/x
  3. Step 3: Cross multiply
    235,387.56x = 353,236.86 × 110,738.28
  4. Step 4: Simplify right side
    235,387.56x = 39,116,842,309.00
  5. Step 5: Solve for x
    x = 39,116,842,309.00/235,387.56
  6. Step 6: Final answer
    x = 166,180.58

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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.