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Finding the Fourth Proportional to 111,644.82, 167,493.51 and 36,770.94

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Solution

The fourth proportional to 111,644.82, 167,493.51 and 36,770.94 is: 55,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,644.82 : 167,493.51 = 36,770.94 : x
  2. Step 2: Convert to fraction form
    111,644.82/167,493.51 = 36,770.94/x
  3. Step 3: Cross multiply
    111,644.82x = 167,493.51 × 36,770.94
  4. Step 4: Simplify right side
    111,644.82x = 6,158,893,806.60
  5. Step 5: Solve for x
    x = 6,158,893,806.60/111,644.82
  6. Step 6: Final answer
    x = 55,165.07

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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.