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Finding the Fourth Proportional to 102,796.39, 154,217.25 and 43,682.59

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Solution

The fourth proportional to 102,796.39, 154,217.25 and 43,682.59 is: 65,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,796.39 : 154,217.25 = 43,682.59 : x
  2. Step 2: Convert to fraction form
    102,796.39/154,217.25 = 43,682.59/x
  3. Step 3: Cross multiply
    102,796.39x = 154,217.25 × 43,682.59
  4. Step 4: Simplify right side
    102,796.39x = 6,736,608,902.68
  5. Step 5: Solve for x
    x = 6,736,608,902.68/102,796.39
  6. Step 6: Final answer
    x = 65,533.52

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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.