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Finding the Fourth Proportional to 87,251.64, 130,848.03 and 33,203.50

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Solution

The fourth proportional to 87,251.64, 130,848.03 and 33,203.50 is: 49,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,251.64 : 130,848.03 = 33,203.50 : x
  2. Step 2: Convert to fraction form
    87,251.64/130,848.03 = 33,203.50/x
  3. Step 3: Cross multiply
    87,251.64x = 130,848.03 × 33,203.50
  4. Step 4: Simplify right side
    87,251.64x = 4,344,612,236.98
  5. Step 5: Solve for x
    x = 4,344,612,236.98/87,251.64
  6. Step 6: Final answer
    x = 49,794.05

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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.