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Finding the Fourth Proportional to 111,728.68, 167,557.46 and 36,834.86

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Solution

The fourth proportional to 111,728.68, 167,557.46 and 36,834.86 is: 55,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,728.68 : 167,557.46 = 36,834.86 : x
  2. Step 2: Convert to fraction form
    111,728.68/167,557.46 = 36,834.86/x
  3. Step 3: Cross multiply
    111,728.68x = 167,557.46 × 36,834.86
  4. Step 4: Simplify right side
    111,728.68x = 6,171,955,581.06
  5. Step 5: Solve for x
    x = 6,171,955,581.06/111,728.68
  6. Step 6: Final answer
    x = 55,240.57

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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.