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Finding the Fourth Proportional to 87,251.89, 130,848.41 and 33,203.75

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Solution

The fourth proportional to 87,251.89, 130,848.41 and 33,203.75 is: 49,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,251.89 : 130,848.41 = 33,203.75 : x
  2. Step 2: Convert to fraction form
    87,251.89/130,848.41 = 33,203.75/x
  3. Step 3: Cross multiply
    87,251.89x = 130,848.41 × 33,203.75
  4. Step 4: Simplify right side
    87,251.89x = 4,344,657,400.40
  5. Step 5: Solve for x
    x = 4,344,657,400.40/87,251.89
  6. Step 6: Final answer
    x = 49,794.42

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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.