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Finding the Fourth Proportional to 111,812.62, 167,720.10 and 32,928.34

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Solution

The fourth proportional to 111,812.62, 167,720.10 and 32,928.34 is: 49,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,812.62 : 167,720.10 = 32,928.34 : x
  2. Step 2: Convert to fraction form
    111,812.62/167,720.10 = 32,928.34/x
  3. Step 3: Cross multiply
    111,812.62x = 167,720.10 × 32,928.34
  4. Step 4: Simplify right side
    111,812.62x = 5,522,744,477.63
  5. Step 5: Solve for x
    x = 5,522,744,477.63/111,812.62
  6. Step 6: Final answer
    x = 49,392.85

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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.