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Finding the Fourth Proportional to 116,724, 175,086 and 29,172

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Solution

The fourth proportional to 116,724, 175,086 and 29,172 is: 43,758

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,724 : 175,086 = 29,172 : x
  2. Step 2: Convert to fraction form
    116,724/175,086 = 29,172/x
  3. Step 3: Cross multiply
    116,724x = 175,086 × 29,172
  4. Step 4: Simplify right side
    116,724x = 5,107,608,792
  5. Step 5: Solve for x
    x = 5,107,608,792/116,724
  6. Step 6: Final answer
    x = 43,758

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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.