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Finding the Fourth Proportional to 111,805.76, 167,725.64 and 36,933.81

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Solution

The fourth proportional to 111,805.76, 167,725.64 and 36,933.81 is: 55,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,805.76 : 167,725.64 = 36,933.81 : x
  2. Step 2: Convert to fraction form
    111,805.76/167,725.64 = 36,933.81/x
  3. Step 3: Cross multiply
    111,805.76x = 167,725.64 × 36,933.81
  4. Step 4: Simplify right side
    111,805.76x = 6,194,746,919.89
  5. Step 5: Solve for x
    x = 6,194,746,919.89/111,805.76
  6. Step 6: Final answer
    x = 55,406.33

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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.