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Finding the Fourth Proportional to 69,863.89, 104,808.80 and 23,117.17

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Solution

The fourth proportional to 69,863.89, 104,808.80 and 23,117.17 is: 34,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,863.89 : 104,808.80 = 23,117.17 : x
  2. Step 2: Convert to fraction form
    69,863.89/104,808.80 = 23,117.17/x
  3. Step 3: Cross multiply
    69,863.89x = 104,808.80 × 23,117.17
  4. Step 4: Simplify right side
    69,863.89x = 2,422,882,847.10
  5. Step 5: Solve for x
    x = 2,422,882,847.10/69,863.89
  6. Step 6: Final answer
    x = 34,680.04

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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.