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Finding the Fourth Proportional to 119,172.67, 164,469.69 and 68,175.27

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Solution

The fourth proportional to 119,172.67, 164,469.69 and 68,175.27 is: 94,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,172.67 : 164,469.69 = 68,175.27 : x
  2. Step 2: Convert to fraction form
    119,172.67/164,469.69 = 68,175.27/x
  3. Step 3: Cross multiply
    119,172.67x = 164,469.69 × 68,175.27
  4. Step 4: Simplify right side
    119,172.67x = 11,212,765,522.57
  5. Step 5: Solve for x
    x = 11,212,765,522.57/119,172.67
  6. Step 6: Final answer
    x = 94,088.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.