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Finding the Fourth Proportional to 168,572.84, 252,858.33 and 68,732.64

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Solution

The fourth proportional to 168,572.84, 252,858.33 and 68,732.64 is: 103,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,572.84 : 252,858.33 = 68,732.64 : x
  2. Step 2: Convert to fraction form
    168,572.84/252,858.33 = 68,732.64/x
  3. Step 3: Cross multiply
    168,572.84x = 252,858.33 × 68,732.64
  4. Step 4: Simplify right side
    168,572.84x = 17,379,620,566.89
  5. Step 5: Solve for x
    x = 17,379,620,566.89/168,572.84
  6. Step 6: Final answer
    x = 103,098.58

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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.