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Finding the Fourth Proportional to 111,474.90, 167,219.91 and 44,915.04

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Solution

The fourth proportional to 111,474.90, 167,219.91 and 44,915.04 is: 67,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,474.90 : 167,219.91 = 44,915.04 : x
  2. Step 2: Convert to fraction form
    111,474.90/167,219.91 = 44,915.04/x
  3. Step 3: Cross multiply
    111,474.90x = 167,219.91 × 44,915.04
  4. Step 4: Simplify right side
    111,474.90x = 7,510,688,946.45
  5. Step 5: Solve for x
    x = 7,510,688,946.45/111,474.90
  6. Step 6: Final answer
    x = 67,375.61

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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.