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Finding the Fourth Proportional to 168,704.01, 253,056.02 and 68,911.29

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Solution

The fourth proportional to 168,704.01, 253,056.02 and 68,911.29 is: 103,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,704.01 : 253,056.02 = 68,911.29 : x
  2. Step 2: Convert to fraction form
    168,704.01/253,056.02 = 68,911.29/x
  3. Step 3: Cross multiply
    168,704.01x = 253,056.02 × 68,911.29
  4. Step 4: Simplify right side
    168,704.01x = 17,438,416,435.91
  5. Step 5: Solve for x
    x = 17,438,416,435.91/168,704.01
  6. Step 6: Final answer
    x = 103,366.94

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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.