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Finding the Fourth Proportional to 111,739.27, 167,605.16 and 48,559.39

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Solution

The fourth proportional to 111,739.27, 167,605.16 and 48,559.39 is: 72,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,739.27 : 167,605.16 = 48,559.39 : x
  2. Step 2: Convert to fraction form
    111,739.27/167,605.16 = 48,559.39/x
  3. Step 3: Cross multiply
    111,739.27x = 167,605.16 × 48,559.39
  4. Step 4: Simplify right side
    111,739.27x = 8,138,804,765.42
  5. Step 5: Solve for x
    x = 8,138,804,765.42/111,739.27
  6. Step 6: Final answer
    x = 72,837.46

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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.