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Finding the Fourth Proportional to 69,865.50, 104,800.68 and 23,117.16

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Solution

The fourth proportional to 69,865.50, 104,800.68 and 23,117.16 is: 34,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,865.50 : 104,800.68 = 23,117.16 : x
  2. Step 2: Convert to fraction form
    69,865.50/104,800.68 = 23,117.16/x
  3. Step 3: Cross multiply
    69,865.50x = 104,800.68 × 23,117.16
  4. Step 4: Simplify right side
    69,865.50x = 2,422,694,087.67
  5. Step 5: Solve for x
    x = 2,422,694,087.67/69,865.50
  6. Step 6: Final answer
    x = 34,676.54

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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.