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Finding the Fourth Proportional to 63,234.84, 87,263.46 and 34,939.92

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Solution

The fourth proportional to 63,234.84, 87,263.46 and 34,939.92 is: 48,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,234.84 : 87,263.46 = 34,939.92 : x
  2. Step 2: Convert to fraction form
    63,234.84/87,263.46 = 34,939.92/x
  3. Step 3: Cross multiply
    63,234.84x = 87,263.46 × 34,939.92
  4. Step 4: Simplify right side
    63,234.84x = 3,048,978,311.32
  5. Step 5: Solve for x
    x = 3,048,978,311.32/63,234.84
  6. Step 6: Final answer
    x = 48,216.75

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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.