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Finding the Fourth Proportional to 111,379.75, 167,152.66 and 44,820.47

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Solution

The fourth proportional to 111,379.75, 167,152.66 and 44,820.47 is: 67,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,379.75 : 167,152.66 = 44,820.47 : x
  2. Step 2: Convert to fraction form
    111,379.75/167,152.66 = 44,820.47/x
  3. Step 3: Cross multiply
    111,379.75x = 167,152.66 × 44,820.47
  4. Step 4: Simplify right side
    111,379.75x = 7,491,861,088.78
  5. Step 5: Solve for x
    x = 7,491,861,088.78/111,379.75
  6. Step 6: Final answer
    x = 67,264.12

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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.