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Finding the Fourth Proportional to 111,453.90, 167,201.10 and 36,553.20

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Solution

The fourth proportional to 111,453.90, 167,201.10 and 36,553.20 is: 54,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,453.90 : 167,201.10 = 36,553.20 : x
  2. Step 2: Convert to fraction form
    111,453.90/167,201.10 = 36,553.20/x
  3. Step 3: Cross multiply
    111,453.90x = 167,201.10 × 36,553.20
  4. Step 4: Simplify right side
    111,453.90x = 6,111,735,248.52
  5. Step 5: Solve for x
    x = 6,111,735,248.52/111,453.90
  6. Step 6: Final answer
    x = 54,836.44

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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.