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Finding the Fourth Proportional to 112,469.84, 168,704.76 and 45,941.36

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Solution

The fourth proportional to 112,469.84, 168,704.76 and 45,941.36 is: 68,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,469.84 : 168,704.76 = 45,941.36 : x
  2. Step 2: Convert to fraction form
    112,469.84/168,704.76 = 45,941.36/x
  3. Step 3: Cross multiply
    112,469.84x = 168,704.76 × 45,941.36
  4. Step 4: Simplify right side
    112,469.84x = 7,750,526,112.87
  5. Step 5: Solve for x
    x = 7,750,526,112.87/112,469.84
  6. Step 6: Final answer
    x = 68,912.04

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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.