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Finding the Fourth Proportional to 235,884.35, 353,659.73 and 75,910.79

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Solution

The fourth proportional to 235,884.35, 353,659.73 and 75,910.79 is: 113,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,884.35 : 353,659.73 = 75,910.79 : x
  2. Step 2: Convert to fraction form
    235,884.35/353,659.73 = 75,910.79/x
  3. Step 3: Cross multiply
    235,884.35x = 353,659.73 × 75,910.79
  4. Step 4: Simplify right side
    235,884.35x = 26,846,587,347.63
  5. Step 5: Solve for x
    x = 26,846,587,347.63/235,884.35
  6. Step 6: Final answer
    x = 113,812.50

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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.