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Finding the Fourth Proportional to 111,477.90, 167,222.32 and 44,909

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Solution

The fourth proportional to 111,477.90, 167,222.32 and 44,909 is: 67,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,477.90 : 167,222.32 = 44,909 : x
  2. Step 2: Convert to fraction form
    111,477.90/167,222.32 = 44,909/x
  3. Step 3: Cross multiply
    111,477.90x = 167,222.32 × 44,909
  4. Step 4: Simplify right side
    111,477.90x = 7,509,787,168.88
  5. Step 5: Solve for x
    x = 7,509,787,168.88/111,477.90
  6. Step 6: Final answer
    x = 67,365.70

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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.