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Finding the Fourth Proportional to 111,622.74, 167,463.09 and 36,754.50

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Solution

The fourth proportional to 111,622.74, 167,463.09 and 36,754.50 is: 55,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,622.74 : 167,463.09 = 36,754.50 : x
  2. Step 2: Convert to fraction form
    111,622.74/167,463.09 = 36,754.50/x
  3. Step 3: Cross multiply
    111,622.74x = 167,463.09 × 36,754.50
  4. Step 4: Simplify right side
    111,622.74x = 6,155,022,141.41
  5. Step 5: Solve for x
    x = 6,155,022,141.41/111,622.74
  6. Step 6: Final answer
    x = 55,141.29

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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.