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Finding the Fourth Proportional to 235,780.82, 353,682.96 and 67,326.14

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Solution

The fourth proportional to 235,780.82, 353,682.96 and 67,326.14 is: 100,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,780.82 : 353,682.96 = 67,326.14 : x
  2. Step 2: Convert to fraction form
    235,780.82/353,682.96 = 67,326.14/x
  3. Step 3: Cross multiply
    235,780.82x = 353,682.96 × 67,326.14
  4. Step 4: Simplify right side
    235,780.82x = 23,812,108,480.57
  5. Step 5: Solve for x
    x = 23,812,108,480.57/235,780.82
  6. Step 6: Final answer
    x = 100,992.56

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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.