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Finding the Fourth Proportional to 111,914.07, 167,809.71 and 44,377.68

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Solution

The fourth proportional to 111,914.07, 167,809.71 and 44,377.68 is: 66,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,914.07 : 167,809.71 = 44,377.68 : x
  2. Step 2: Convert to fraction form
    111,914.07/167,809.71 = 44,377.68/x
  3. Step 3: Cross multiply
    111,914.07x = 167,809.71 × 44,377.68
  4. Step 4: Simplify right side
    111,914.07x = 7,447,005,611.27
  5. Step 5: Solve for x
    x = 7,447,005,611.27/111,914.07
  6. Step 6: Final answer
    x = 66,542.17

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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.