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Finding the Fourth Proportional to 250,429.44, 345,591.82 and 135,708.54

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Solution

The fourth proportional to 250,429.44, 345,591.82 and 135,708.54 is: 187,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,429.44 : 345,591.82 = 135,708.54 : x
  2. Step 2: Convert to fraction form
    250,429.44/345,591.82 = 135,708.54/x
  3. Step 3: Cross multiply
    250,429.44x = 345,591.82 × 135,708.54
  4. Step 4: Simplify right side
    250,429.44x = 46,899,761,328.14
  5. Step 5: Solve for x
    x = 46,899,761,328.14/250,429.44
  6. Step 6: Final answer
    x = 187,277.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.