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Finding the Fourth Proportional to 111,687.46, 167,551.94 and 36,812.86

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Solution

The fourth proportional to 111,687.46, 167,551.94 and 36,812.86 is: 55,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,687.46 : 167,551.94 = 36,812.86 : x
  2. Step 2: Convert to fraction form
    111,687.46/167,551.94 = 36,812.86/x
  3. Step 3: Cross multiply
    111,687.46x = 167,551.94 × 36,812.86
  4. Step 4: Simplify right side
    111,687.46x = 6,168,066,109.95
  5. Step 5: Solve for x
    x = 6,168,066,109.95/111,687.46
  6. Step 6: Final answer
    x = 55,226.13

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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.