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Finding the Fourth Proportional to 111,772.62, 167,660.28 and 44,321.22

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Solution

The fourth proportional to 111,772.62, 167,660.28 and 44,321.22 is: 66,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,772.62 : 167,660.28 = 44,321.22 : x
  2. Step 2: Convert to fraction form
    111,772.62/167,660.28 = 44,321.22/x
  3. Step 3: Cross multiply
    111,772.62x = 167,660.28 × 44,321.22
  4. Step 4: Simplify right side
    111,772.62x = 7,430,908,155.14
  5. Step 5: Solve for x
    x = 7,430,908,155.14/111,772.62
  6. Step 6: Final answer
    x = 66,482.37

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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.