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Finding the Fourth Proportional to 111,163.42, 166,625.54 and 48,013.26

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Solution

The fourth proportional to 111,163.42, 166,625.54 and 48,013.26 is: 71,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,163.42 : 166,625.54 = 48,013.26 : x
  2. Step 2: Convert to fraction form
    111,163.42/166,625.54 = 48,013.26/x
  3. Step 3: Cross multiply
    111,163.42x = 166,625.54 × 48,013.26
  4. Step 4: Simplify right side
    111,163.42x = 8,000,235,374.66
  5. Step 5: Solve for x
    x = 8,000,235,374.66/111,163.42
  6. Step 6: Final answer
    x = 71,968.24

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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.