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Finding the Fourth Proportional to 111,124.48, 166,755.84 and 48,847.36

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Solution

The fourth proportional to 111,124.48, 166,755.84 and 48,847.36 is: 73,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,124.48 : 166,755.84 = 48,847.36 : x
  2. Step 2: Convert to fraction form
    111,124.48/166,755.84 = 48,847.36/x
  3. Step 3: Cross multiply
    111,124.48x = 166,755.84 × 48,847.36
  4. Step 4: Simplify right side
    111,124.48x = 8,145,582,548.58
  5. Step 5: Solve for x
    x = 8,145,582,548.58/111,124.48
  6. Step 6: Final answer
    x = 73,301.42

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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.