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Finding the Fourth Proportional to 101,952.35, 140,745.37 and 63,733.15

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Solution

The fourth proportional to 101,952.35, 140,745.37 and 63,733.15 is: 87,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,952.35 : 140,745.37 = 63,733.15 : x
  2. Step 2: Convert to fraction form
    101,952.35/140,745.37 = 63,733.15/x
  3. Step 3: Cross multiply
    101,952.35x = 140,745.37 × 63,733.15
  4. Step 4: Simplify right side
    101,952.35x = 8,970,146,489.21
  5. Step 5: Solve for x
    x = 8,970,146,489.21/101,952.35
  6. Step 6: Final answer
    x = 87,983.72

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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.