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Finding the Fourth Proportional to 111,381.92, 167,034 and 44,804.78

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Solution

The fourth proportional to 111,381.92, 167,034 and 44,804.78 is: 67,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,381.92 : 167,034 = 44,804.78 : x
  2. Step 2: Convert to fraction form
    111,381.92/167,034 = 44,804.78/x
  3. Step 3: Cross multiply
    111,381.92x = 167,034 × 44,804.78
  4. Step 4: Simplify right side
    111,381.92x = 7,483,921,622.52
  5. Step 5: Solve for x
    x = 7,483,921,622.52/111,381.92
  6. Step 6: Final answer
    x = 67,191.53

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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.