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Finding the Fourth Proportional to 111,628.56, 167,463.54 and 36,753.24

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Solution

The fourth proportional to 111,628.56, 167,463.54 and 36,753.24 is: 55,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,628.56 : 167,463.54 = 36,753.24 : x
  2. Step 2: Convert to fraction form
    111,628.56/167,463.54 = 36,753.24/x
  3. Step 3: Cross multiply
    111,628.56x = 167,463.54 × 36,753.24
  4. Step 4: Simplify right side
    111,628.56x = 6,154,827,676.87
  5. Step 5: Solve for x
    x = 6,154,827,676.87/111,628.56
  6. Step 6: Final answer
    x = 55,136.68

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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.