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Finding the Fourth Proportional to 141,481.46, 212,365.56 and 125,574.68

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Solution

The fourth proportional to 141,481.46, 212,365.56 and 125,574.68 is: 188,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,481.46 : 212,365.56 = 125,574.68 : x
  2. Step 2: Convert to fraction form
    141,481.46/212,365.56 = 125,574.68/x
  3. Step 3: Cross multiply
    141,481.46x = 212,365.56 × 125,574.68
  4. Step 4: Simplify right side
    141,481.46x = 26,667,737,240.02
  5. Step 5: Solve for x
    x = 26,667,737,240.02/141,481.46
  6. Step 6: Final answer
    x = 188,489.27

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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.